I recently tried a find-and-replace across a project. It opened a whole bunch of tabs, then crashed, and now I can't re-open it.
I've tried deleting the app and using the latest beta, I've tried destroying the Lion 'Saved Application State' folder.
Here's my crash report - http://pastie.org/private/uyvvfvycbepb0zp4dc7pg
(Sorry if this is a repeat of an existing post, I searched around but didn't find anything)