Vai just appeals to me more, his technique is well rounded, whereas Satch is more skilled in the legato and tapping department, I don't think he can take him anywhere else, as for overall music I'd probably go with Vai there too as his music is really really weird and amusing, then the songs where he tries to be serious he blows you away, but come on having Yngwie Malmsteen beside these two is a disgrace, yeah sure he played with them in G3 once, but he certainly has not reached the quality of music they have, to me Malmsteen is all about neoclassical shredding in the Phrygian and using arpeggios with economy picking, sure he's fast but at the end of the day nobody will dig it unless it has soul - Andy