Nice website for really good interview questions - www.cracktheinterview.com
Though I should post it here also for the benefit of people visiting this thread.
I found a very, very good website at this place
It has questions to almost all the most frequently asked questions in IT interviews. I have really enjoyed browsing through the questions and the answers. The site is really helpful. Hope you like it. Sorry for posting it here again, but I am loving this site. Please help yourself out and checkout this site ASAP.