Quote Originally Posted by Sam View Post
Just wondering the differences between this one and the very first MP Optimus Prime (apart from the extras - trailer, roller, spike figure, etc.) ?

(It's just that I need to save funds for that third party "Devastator" figure...)
It's a brand new mould, in scale with MP Grimlock, Hot Rod, and Starscream, as well as any future MP releases.

Different transformation scheme, with other hidden bonuses, and generally greater show likeness.