Last month I cannot open my wallet on blochchain.info,and piuk says If I open a ticket at https://blockchain.zendesk.com/ he can send you the last 50 wallet backups .

https://bitcointalk.org/index.php?topic=123978.msg1332565#msg1332565

I have already open ticket at that site.

but today is 2012/12/13, he have not send the backups to me ,and he even ignore me.

I suggest do not use his online wallet anymore!