it's mind boggling, that some people think that federer has a better serve than roddick. So i looked at the stats and roddick gets 70% of his 1st serves in, federer has 60, and we know that in big matches - A0 2008 he served incredibly ****, and double faulted at 5-5 in the TB against roddick in madrid. so roddick has the advantage of where that is concerned. they're both tied on 2nd serve points won. but roddick is leading out of the two on 1st serve points won, so basically, roddick wins more points on serve in total than federer does. roddick leads on the aces and service games won, however, i know some of you might say federer doesn't go for aces, he goes for the accurate serve to set a point up - ********. if you hold more service games that everyone else you have the best serve.PERIOD Roddick's serve was the main reason he won a slam, and got to number 1 in the world, people will say he's one dimensional but oh well. federer's didn't. i actually consider roddick's serve to be behind only sampras, ivanisevic and karlovic (karlovic was tall though, if roddick was karlovic's height we would probably be watching the best server of all time play). you could say that becker is ahead of him, but i don't know because i dont watch him. And lastly, don't say that roddick doesn't have accuracy because that is what has improved about his serve this year - and he also has power with that accuracy too.