All Other Guitars (including Prestige)
http://www.ultimate-guitar.com/forum/showthread.php?t=668009&page=1&pp=20
The one in question is the RG. I'm thinking it's a 540, and not a 550 because of the pickup config, and color. Is it? And is it worth to trade my RG2EX2 for? Keep in mind, that the mystery RG is missing the locking nut...