for what it's worth:
ultracoin
cudaminer -C 2 -H 2 -l -o xxxx -u xxxx -p xxxx --algo=scrypt-jane:UTC

gtx 570 | f30x32  (173-193 Kh/s)
--------------------------------
old 8500| f2x7     (2.5 Kh/s)


gtx 570 | F15x16  (193-223 Kh/s)   260           *occasionally drops to ~114 for a few sec.
--------------------------------   warps
old 8500| F6x4     (2.1 Kh/s)          105



*added warps from F set.