You're bike already has the "S" cams in it (which are the 03-04 "R" cams).
Get a full system or don't bother
Get your squish set, and have the cams dialed in
PCIII at a minimum, nemisis would be a much better investment.
145 whp with those above mods is NOT uncommon. More than enough to high side you too the moon if you grab a handful mid-corner.