Have you had a look at this thread on set ups?
http://www.oople.com/forums/showthread.php?t=117765
I'm no good on FDRs so can't comment on spurs and pinions, but I found Andys thread useful when programming my rev pro. I use a 13.5t with boost which kicks in after 0.5s of full throttle so gives me good speed on straights.
Think the PC app tells you the settings based on motor turn if you run stock firmware.