Jetfire
http://www.amazon.co.jp/gp/product/i...9576725&sr=8-1
Ramjet
http://www.amazon.co.jp/gp/product/i...9576405&sr=8-1

I only like Ramjet, and the differences aren't that much, only in jet mode really.
For Jetfire, I actually like the hasbro one better, seems a bit more comic accurate