I think you'd get depressed pretty soon after getting rid of that RG for a SG. I've got a bunch of H-S-H locking trem equiped guitars and a SG standard. The SG feels so outdated compared to the modern militia. Every single note needs just a bit more attention...high note access is very good, the
string tension is really low, but you're picking hand is way too far to the left. The Jem/RG shape and ergonomics are PERFECT. Also the SG lacks pure power compared to a shred-like axe. Nice sweet tone, though. And ubercool looks, ofcourse.