The quick answer: no, it doesn't -- but it's no slouch, either. With [Register or Login to view links] already out in PlayStation in Japan, it's certainly in Namco Bandai's best interest to pour plenty of resources into their next-generation current-generation debut with [Register or Login to view links] (which, so far, is a PlayStation 3 exclusive). At the arcade-centric AOU event happening in Japan right now, Tekken 6 started flaunting itself and also introduced two new characters, Zafina and Leo.
[Register or Login to view links], but let's hazard a guess that most people are a little more interested in seeing how Tekken 6 stacks up to its already stiff competition in terms of looks. You be the judge.