Still waiting on my ~100 BTC withdrawal. Their news update says that failed transactions should now be refunded, definitely not the case.
I have the same problem.
I did a withdraw of exact 100 Bitcoins on 28.01.14 and they are still missing.

I got my 100 Bitcoins refunded! (and the fee)
2014/02/04 23:04:23 Cancelled transfer because of timeout: Bitcoin withdraw to ...