Is bitcoinica.com planning to reopen after the 11th May 2012 theft?
Zhou tong has stated here that reopening is being considered, with a time frame of several months.

He has also stated that deposits will be refunded; Most recently, he has stated that a claim page has been opened at https://claims.bitcoinica.com/, but at the time of this writing it seems to be unavailable.

Update: I can now access it.