Listmania!

Best "BIG" Transformers 1984 - Present
By an Amazon.com customer
Transformers Cybertron Supreme StarscreamTransformers Cybertron Supreme Starscream
Buy new: $159.99
An above average figure, but it has the decepticon crown. A cape would make it grand.
Transformers Japanese Tomy Takara Re-Issue Renewal Encore #12 MetroplexTransformers Japanese Tomy Takara Re-Issue Renewal Encore #12 Metroplex
Buy new: $129.99
The first of the big city Transformers. Big and bulky, this was the standard for other "BIG" transformers.
Transformers Encore Omega SupremeTransformers Encore Omega Supreme
Buy new: $177.99
The original is nice. It is motorized and walks on its own. It has a track where the motorized tank rides. Very cool.
Transformers Energon Omega Supreme Electronic Action FigureTransformers Energon Omega Supreme Electronic Action Figure
Buy new: $278.95
Not nearly as cool as the original. Oddly, it's about as articulated as the 20 year old original. A letdown for an otherwise cool figure.
Transformers Cybertron Leader GalvatronTransformers Cybertron Leader Galvatron
Buy new: $239.99
It's a Cybertron Batmobile. A complex transformation mars an otherwise cool figure.
Transformers  Leader Optimus PrimeTransformers Leader Optimus Prime
Buy new: $91.40
Great articulation, cool gimmicks, a very nice alt mode. A bona fide winner for the modern ages.
Hasbro Star Wars Transformers Darth Vader/Death StarHasbro Star Wars Transformers Darth Vader/Death Star
Buy new: $125.00
Way cool death star mode and a good robot mode complete with cape. Nice little extras like Tie fighters and little figurines.
Transformers Cybertron Supreme Class Cybertron Primus FigureTransformers Cybertron Supreme Class Cybertron Primus Figure
Buy new: $228.98
A great planet mode with simple but detailed transformation. Very poseable with neat gimmicks and extras.
Transformers Optimus Prime Mp-04 Masterpiece Convoy With TrailerTransformers Optimus Prime Mp-04 Masterpiece Convoy With Trailer
A very detailed robot mode. The alt mode has cool extras like shocks and a cab. Great articulation and extremely show accurate.
Transformers Masterpiece Mp-08x King Grimlock FigureTransformers Masterpiece Mp-08x King Grimlock Figure
This one looks even nicer than the original MP-08. More comic book accurate and flashier. It also doesn't have the fey apron and serving tray extras. Great articulation.
Transformers Universe 25th Anniversary Masterpiece Skywarp Exclusive FigureTransformers Universe 25th Anniversary Masterpiece Skywarp Exclusive Figure
Buy new: $84.99
The absolute best value in the entire bunch. The best color of all the seekers. Great articulation and an extremely show accurate alt mode.
Transformers Armada UNICRON 15" Action Figure with DEAD END Mini-Con (2003 Hasbro)Transformers Armada UNICRON 15" Action Figure with DEAD END Mini-Con (2003 Hasbro)
This baddie leaves Primus in the dust. While essentially the same mode, its little extras and its bad boy persona set it apart. Plus, it's robot mode is extremely poseable and looks way cool.
Transformers Cybertron Leader Galaxy Force Optimus PrimeTransformers Cybertron Leader Galaxy Force Optimus Prime
Buy new: $199.99
The coolest Optimus Prime of this decade (sorry, Masterpiece Prime). The alt mode is fine, but the robot mode is what sets the figure apart. The cab turns the already awesome robot into an impressive site to behold.
Transformers Leader - StarscreamTransformers Leader - Starscream
Buy new: $59.99 / Used from: $46.33
So much better than the voyager class in terms of articulation, poseability, aesthetics, and is menacing to boot. Very movie accurate.
Transformers Limited Edition Metallic Gold Finish with Bonus Mudflap and Premium Bumblebee FiguresTransformers Limited Edition Metallic Gold Finish with Bonus Mudflap and Premium Bumblebee Figures
Buy new: $61.50
How do you make Battle Ops Bumblebee better? By giving him a nice, new, shiny metallic finish, and adding two exclusive legends class figures. One of them is a shiny gold Bumblebee. How cool is that.