Been thinking about this for the last week...
I'm not sure about winning the CL, but I think they have a great chance to get to the final.
Although Chel$ea are the masters of 1-0 at Stamford Bridge, Feberbache are in a good position because they score lots of goals, and even 1 road goal today would make it really difficult for Chel$ea. I have a funny feeling/hunch/Colbert gut feeling that they are going to score today and knock Chel$ea out. And if they do, neither Liverpool nor Arsenal are playing all that well at the moment, and with their insane home field advantage and playing style I would favor their chances to defeat either team and get to the final in Moscow on May 21.
And hell, why not win it all? Even though they would be in all probability facing on form Manchester United or on form in Europe Barcelona, anything can happen in a one-off final. Own goals, red cards, penalties, you name it, and it is also possible that they could just outplay and beat a better team in the final to win.
Don't be surprised in Fenerbache, the first Turkish team to ever make it as far as the quarterfinals, shock the soccer world by winning today and then beating the Arsenal-Liverpool winner in the semifinal. In fact, of all the Champions League bets out there, a fiver on them to win the whole thing at 20-1 probably offers more value than anything else at this point.