G1: Fort Max
G2: Laser Optimus Prime
Beast Wars: Takara Longrack
Beast Machines: Cheetor
RID: The 3 Train Brothers
Armada: Hands down Unicron
Energon: Mirage
Cybertron: Toughie to decide between Scourge and Leo Breaker
Classic: Optimus Prime
Alternators: Jaguar Ravage (even tho I only have B.Ravage)
Movie 07: Premium Ironhide
Universe 2.0: Hound with Ravage
Animated: Arcee
Power Core: Crankcase (only till I get the Dinobot 5pack,crosses fingers)
HFTD: Voyager Highbrow
ROTF: Leader Optimus Prime
Reveal the Shield: G2 Optimus Prime
Generations: Wheeljack
DOTM Mainline: Skyhammer (or as I now call him Magnus)
DOTM Cyberverse: not sure but think when the ARK playset comes out this will be my fave.
Masterpiece: even tho its not a main line I will still include it. MP-08 Grimlock
Worlds Smallest TF's: Dinobot Set

 

- G1 - Powermaster Optimus Prime with Apex Armor
- G2 - Pass
- BW - Transmetal Terrorsaur
- BM - Deluxe Jetstorm from the BM line proper but, if we can include stuff that was intended to be in BM, then I'd go with Air Attack Optimus Primal.
- RiD - Megatron
- Armada - Unicron
- Energon - Bruticus Maximus
- Cybertron - Primus
- Alternators - Shockwave
- TFU 1.0 - Razorclaw
- Classics - Jetfire
- 6" Titaniums - Skywarp
- TFTM07 - Leader Brawl
- TFU 2.0 - Cyclonus with Nightstick
- RotF - HA Jazz
- HftD/RtS - Leader Starscream
- Animated - Ultra Magnus
- Generations - Warpath
- DotM (so far) - Skyhammer

 

Okay so anything form G1, Beast Wars and Energon I decide from pictures that I consider well  
G1- Soundwave or RTS Optimus Prime if it counts
Beast Wars - Optimus Primal Super Transmetal
RID - Sideburn
Armada - Star Saber sword
Energon - Cruellock or Divebomb
Cybertron - Too Many to like
Movie 1 - Wreckage
Animated - Rodimus Minor
ROTF - Leader Optimus Prime or Deluxe Sideswipe
DOTM - DLX Sideswipe, Leader Sentinel Prime, DLX Ratchet, DLX Bumblebee, DLX Roadbuster, DLX Topspin

 

G1: Kickback
BW: I have a lot of favorites, but I'd say Razorclaw
BM: Buzz Saw
RiD: Wedge
Armada: Demolishor
Energon: Cruellock
Cybertron: Wreckloose
Animated: Sunstorm
Universe: Reptillion
Classics: Mirage
Universe 2: Cyclonus with Nightstick
Generations: Dirge
Movie: Bonecrusher or Leader Brawl
RotF: Mixmaster
DotM: Cyberverse Crankcase/Crowbar/Leadfoot (haven't gotten any others yet)

 

G1: Sixshot
G2: Dreadwing/Smokescreen (i have the RM versions)
Beast Wars: Optimal Optimus
Beast Machines: Blackarachnia
RID: Scourge/Black Convoy
Armada: Tidal Wave
Alternators: Hound/Swindle
Energon: Unicron (black Version)
Masterpiece: 20th Anniversery Optimus Prime (only have that)
Cybertron: Crosswise/Smokescreen
Classics: Bumblebee/Cliffjumper
Movie 07: Leader Brawl
Universe 2.0/Henkei: Cyclonus (though i prefer RTS Deco)
Animated: Megatron
ROTF: Jolt
HFTD: Tomahawk
Generations: Drift/Blurr
RTS: Lugnut
DOTM: Icepick and Sargent Chaos (Don't have much yet)[/QUOTE]