I changed my mind.
These guys don't have wireless.
Although, they do have one, really nice window seat (when it's free - read as: it's never free). And their coffee is a cheap with the discount, if you remember it. And they do have a nice view out the back, say, if you had friends to go with you and talk instead of merely going to the café to study.
Unfortunately, I'm pretty much 100% an exclusive studier. And without wireless, I'd be back doing a Greek degree. Plus, the Elephant house is normally packed, so although it is open late, I'm just not convinced.