Hey, Ive been interested in buyin a John Myung Sig. I was goin through the forums and realized that all of the reviews were of the RBXJM, not the JM2. Has anyone here played one? i have possibly the poopiest six string on the market right now, that i picked up for 300, and i am looking to upgrade, now that i know that i love playin 6. Any imput?