I'm in the same boat, guys. Chose yesterday school A over school B. Feeling so bad =( At some point I happy that all this torture finally ended, but I had to tell a nice professor from school B who tells me "I'm lucky to get your application, you are so interesting candidate!" that I chose different school...OMG that's the hardest experience ever! =*( When I wrote him email (I couldn't call...I'd be cried I guess...) explaining situation, he emailed me back " School A is lucky to get you!" I just cried...it's too emotional for me!
I'm still doubtful that I made a right choice, and I won't regret. But thinking again about the whole reasons I had to choose school A, I think it seems a right decision...I guess I need a couple weeks for recovery now...