Someone asked me last night if they should watch TPM and AOTC before seeing the new movie. They'd previously attempted to watch TPM and fallen asleep, then never bothered with AOTC at all.
I recommended that she actually skip both, as I don't see much information in either movie now that would prevent an average movie-goer from enjoying ROTS. Not midiclorians, not the Anakin-Padme romance, not the Clone Wars, and not even Anakin's sweet-kid origins story. Nothing at all. I told her to jump into ROTS and remember what it was like with ANH, where it brings you into the story just when things are getting good.
Jar Jar is just as bad as Jake Lloyd to me. Curse Rob Colman, and the naive animators that felt every time the character was on-screen it needed to move. Not with subtlety, either, but with a CG sledgehammer. They animated him so that he competes for attention full-throttle through the whole movie. He rips me out of the movie more than Lloyd's awful acting, to me.