750=same as 550 + matching headstock colour better PUPS and
sharkfin inlays
770 same as 570 + above
565 HSS config
620 *Twin humbucker rear routed Lo-Pro
520 *As above with edge
420 *less expensive with TRS trem probably Korean
old 470's had
edge trems and were decent
XX20 twin humbucker rear routed
XXX1 hardtail
7xxx seven string
However
RG2027xVV * EH! * * RG7620P
RG3120 * * Technically should be RG720
Who knows, there used to be a formula *770 was top then was 777 jems then the usa line came out but they were limited No's
I thought it was the price a 470 used to be £470
I bought my 550 for you guessed it £550
My 520 for £520
But then I got deals
