I think the safe bet for Anakin is an Episode III version.
Speaking of which, I don't think I've shown this off yet:
This is possibly the most badass looking thing I have. Yeah it's a statue, but what an awesome statue. I stuck a Hasbro stormtrooper in there so you can get a sense of size.
Here's a closer pic:
The best part? This is a $350 statue that I got absolutely free. Sideshow actually gave one away in a quick draw trivia contest in one of their chat events. That was one of the happiest moments of my life, no joke.