So this guy is out in the wild now. I found him at a Newberry Comics in Massachusetts. On to (my first review)! Some few "confirmation" shots... bottom of box... receipt... Here is he is! Like most of DoTM, everything is somewhat smaller than before (Recession Transformer?). Here's Sentinel with Laser Prime deluxe and Voyager-Sized Rodimus Prime. He's not even that much bigger than DoTM Sideswipe. More plastic to him? Yep. $8 more? ehhh.... ROBOT MODE The robot mode is really great. You can attach the gun to his back (or put it in his hand) and have it shoot over his shoulder. He really looks the part and has quite a bit of detail. His front chest piece is a "fake". It doesn't transform but completes the robot mode look. Color wise he is red and silver with a little black and purple highlights, so a very limited color pallete like most DotM toys. It's effective for being a general market figure, but I think moders will have a good time with this one. He's very detailed. His eyes are light-piped to this very bright white. It's shocking; I've never seen a transformer with that color piping before. Like DotM Shockwave, it's been done exceptionally. Even a little light makes his eyes REALLY bright. His rear portion is his "cape", which looks substantially different than the CG or Leader class one. It does make him back heavy if you have his gun connected to his back and stowed (he barely stands that way), but without the weapon there, he has no trouble standing at all. Looking at it though, you probably have already guessed how he transforms. Posability wise, he's pretty much DotM standard. His legs, arms, shoulders, knees, wrists, elbows, hips all are on 2-dimensional smooth or ratcheting joints. His head can turn right or left. He has no ball joints. He can do most any pose of a modern transformer really, but the cape easily becomes a tripod for more "expressive" postures. TRANSFORMATION Transforming him is really easy, even for DotM so far. Rotate his legs below the knee 180 degrees so the wheels are on the outside. Unclip the back-arm bracket and move it down, rotating the shoulder/shoulderpads/arms to stretch the length of what the "fire truck" will be. Then unfold the windshiled on the "cape" and push the fake-chest piece downwards. Once all the way down, rotate the chest piece a little so the black corners of the fake wind shield don't stuck out of the sides of the undercarriage. Additionally... (and the only non-obvious part of Sentinel prime), rotate the front wheels down and move them out until they lock on the tab that juts out from prime's red body. Here is a close up of the tab. It's easy, but non-obvious. Lastly, fold down the rest of the "cape" so that it covers the body, and fold the safety railings up on the back (easy to forget). Lock everythin in place via tabs & holes. and hes done! VEHICLE MODE Yup... Sentinel Prime is a Beast Wars Neo-worthy shellformer. The entire transformation scheme is obvious because you've seen it before. You're essentially flattening him into a long box, making sure the wheels are down, then folding the cape over him. Kind of funny the "ancient" Transformer character here harkens back to now ancient-Transformers and how they worked. Does this make Sentinel Prime a bad figure? No not at all. He is what he is... a simple Voyager (really sub-voyager IMO) interpretation of a massive CG character and a larger, somewhat more complicated Leader class. Let's just say, its better than most Movie-verse Voyager primes. But to be clear, he is a shell former. It isn't derisive. It's simply how he works. MECHTECH WEAPON Now the real neat part of Sentinel Prime is his weapon. I have to say, I was more excited by the weapon than I am the robot. Here it is in "basic" mode of a water cannon. When you press the button you get this...a.... something... Oh but it gets better! Observe the tabs at the bottom of the button you push to activate Mechtech. You push the button down and rotate it. The transformation extends further and gets locked in place(!!!!!) and you get this. Wow, how neat's that? Now the gun can be used in his hand or on his back in robot mode, but this is how it looks attached to him in vehicle mode. The black struts connect with the back assembly and you get this... (i transformed it back into water cannon mode). And here it is in anti-star destroyer ion cannon mode. It's soooooooooo big..... Oh wait no it isn't. This is a DoTM voyager >.<. The mechtech weapon is really awesome, probably the best of the entire line so far as far as I've seen. It is the highlight of the figure really and is a great base for connecting other mech-tech weapons together, like so. Stick'em up Shockwave! The cannon has ports on either side and a male-stub on the bottom of it, but these are only useable in massive-gun mode and not water cannon mode. Here's how they connect. And lastly, here is Sentinel Prime and Shockwave... domestic partners for life. They domesticate like no other! CONCLUSIONS Buy Sentinel Prime. Is he a great transformer? No. Of the Voyagers I own (Shockwave, Megatron, Ironhide and of course, him), he's by far the simplest. He's probably the most simple transformer going back a few lines a least. It's hard not to think back to Mixmaster in the RotF line and compare him to this guy, at the same price point. It shows without a doubt the direction Hasbro has taken the line in. I can't help but think three things looking at him. First, the comments that Hasbro has made about the Mechtech weapons "not taking away from the figure itself" is rubbish. The gun of Sentinel Prime overshadows a very simple figure really... like there was more engineering work put into it than Sentinel. Secondly, if the character had been in RotF, with the same amount of plastic, they wouldhave made one heck of a complicated figure, but here they made a shell former. Thirdly, if this had not been Sentinel Prime but instead "Fire Truck Optimus Prime", people would be pretty annoyed by him... almost Ultimate Prime level annoyed. He gets away with his simplicity because he's a new, unknown character. But you should still buy him. As a transforming robot, he harkens back to the bad old days of the worst of Beast Wars like nothing I've seen since in ages. He doesn't transform. he folds up and hides in his cape, more turtle than transformer. But as an action figure, a Transformer character with a gimmick, and individually as a robot or a vehicle, he's very, very good. Getting him between those modes is pretty lame, but in either one, he's very well done. The gun alone is almost worth the price of admission. I got him for $29 at Newberry Comics. I suggest waiting for him at TRU or Target for $19.99 because he isn't worth the premium I paid. But do get him. He'll look great on your shelf and is just a fun figure to have around. But I sincerely hope his Transformation was dictated by necessity and economics and nothing more, because if he had a different and a different fake chest, he could be an Optimus Prime with no other changes.