Just a slight clarification....... OS3 for the G70 does NOT add ALL the functions from the E80. You cannot (as of now, but maybe Roland got another update up their sleeves....) view lyrics in style mode, just SMF play, you cannot link .bmp pictures with anything, and hardware differences are significant. The E80 has 2 SRX slots to the G70's one, the E80 has three MFX insert effects to the G70's one (or two with a hack), the E80 has independent Mastering Tools (EQ and 3band Comp) for Style AND Keyboard parts, G70 has only one global..... And the E80 has a smaller, but higher quality sound selection.

Just thought I'd clear that up........