Hello, I think the new G5's will be shipping in about 6 months, but I need more power now for Logic, so am considering a processor upgrade for my 800 G4. I see Sonnettech has a 1.7 upgrade for $450. (The price dropped $50 today.) Sounds like a great deal that would allow to me to squeeze an extra 6 months life out of my G4. Any experience or recommendations for g4 processor upgrades? Thanks very much.