Is there any way to access this information?
EDIT (June 4th, 2010):
First of all, I am not a C programmer. That said, I wrote my own extremely janky, hackish JSON-RPC method "listgenerated". I basically took the code from ui.cpp that builds the transactions list and copied it to an RPC method. Then I removed parts until it would compile. I'm SURE it doesn't work right, but it shows me when I have generated a block, which is all I need. If anyone would like the patch, send me a PM. That said, you probably want to wait for a real implementation from the devs.