Thank you!
Further along the road, but still bombing out with a "This program has stopped working" error:
[2011-07-20 15:55:04] Long-polling activated for http://pit.deepbit.net:8332/listenChannel
[2011-07-20 15:55:04] Successfully retreived and deciphered work from pool 0 http://pit.deepbit.net:8332
[2011-07-20 15:55:04] Pool 0 http://pit.deepbit.net:8332 active
[2011-07-20 15:55:04] Init GPU thread 0
[2011-07-20 15:55:04] List of devices:
[2011-07-20 15:55:04] 0 Cayman
[2011-07-20 15:55:04] 1 Cayman
[2011-07-20 15:55:04] Selected 0: Cayman
[2011-07-20 15:55:04] Preferred vector width reported 4
[2011-07-20 15:55:04] Max work group size reported 256
[2011-07-20 15:55:04] No binary found, generating from source
[2011-07-20 15:55:04] Patched source to suit 2 vectors
[2011-07-20 15:55:04] cl_amd_media_ops found, patched source with BITALIGN
[2011-07-20 15:55:04] cl_amd_media_ops found, patched source with BFI_INT
[2011-07-20 15:55:05] binary size 0 : 0
Then
boom! 