I think Spurs form after the first two games has alternated between outstanding and okay a few times. I was very relieved they pulled out three points after a very disappointing end to a great run. But I think either they play the other team off the park (Liverpool, Aston Villa), or they look good enough to probably get the win, but might draw or even lose with a certain amount of luck (Arsenal, Stoke.) Chelsea are more likely to be scratching their heads, after looking like they'd become Chelsea of old, then drawing to Wigan.
The cliche is that none of this matters, and it probably won't. The key may be whether Spurs really believe they are the better team, or if somewhere in their minds they think, it's Chelsea, we aren't really supposed to win.