I don't know if anyone would have seen any score change yet, if it were going to happen, because you'd have to wait for the monthly update by Citi, I think.
But if you don't have balances on other cards, closing this one won't make a score difference, because your util will remain the same.
For anyone else trying to figure how this works, read fused's
Closing Credit Cards. It's a great explanation of what will happen, what might happen, what won't happen, and when.
* Credit is a wonderful servant, but a terrible master. * Who's the boss --you or your credit?
FICO's: EQ 781 - TU 793 - EX 779 (from PSECU) - Done credit hunting; having fun with credit gardening. - EQ 590 on 5/14/2007