Herve: The G5 (although it has some minor hiccups currently will get damn close if not break it.
BUT. Please read arstechnica for a good explanation of the Mhz myth. We've gone over this ad nauseum. 1Ghz with a G4 chip with it's completely different way of processing commands is in most ways far superior to a PentUPium 1Ghz chip.
Really, read the arstechnica comparison. Search their site or I even think there is a link to it from apple's site.
and for Thor's sake, don't be so cryptic with your posts... I'm scaring myself that I may be beginning to in some small way decipher your posts.