Here's another objective comparison photo gallery: Hasbro Robots in Disguise Rumble (left) vs. TakaraTomy Arms Micron Rumble (right). Note stickers have not been applied to Arms Micron Rumble. Rumble fits together in alt. mode better than his mold-mate Frenzy.
And i just bought the two of them for just under 20 euro each, shipped. If i'd have known you were looking for them, i would've ordered more.
Where did you score the AM Frenzy and Rumble from... looks like none of the sponsors have them yet. They're still listed as pre-order.
Love the pics! I honestly don't know if I want them or not though....they just look too superior to Soundwave (I'm not a big fan of that one) I don't think I can find a spot for them....
The stickers that come with AM Frenzy and Rumble aren't difficult to stick at all. A lot simpler, say compared to the Reprolabels set for the Hasbro "Rumble".
Just got them today. Very nice. Now I need to rename the Hasbro Rumble... Scrapmetal, maybe? In any case, my only complaint is that one of Rumble's arms is a darker red than the other. Not a deal breaker, but it looks obvious in car mode.