Thanks a lot Stephen for your reply. I have opened a ticket and this is the response:
The program which processes bitcoin withdrawal requests lost contact with the primary database server and as a security measure halted.
It will be brought back online shortly.
Sorry for the delay.
I didn't know that phantomcircuit was related to Intersango. Thanks for pointing that out too. And also: there is a reason why I wanna get my coins out of there as soon as possible
hehe.