I voted Intel, because in general it is better, but I'm gonna give you the whole story.
PPC is in general an extremely well designed processor. Invulnerable to divide-by-0 errors, which Intels are not. They have always been ahead of any other technology, until the G4. I hate the G4. Really slow FSB's. It was slower than Pentium 4, and that's why PowerMac G4 sucked. I really liked G5. Except the heat it porduced, the FSB's were extreme. The Quad has 2.5 GHz FSB
. The two problems with PPC were: G4 was too slow for laptops, but because G5 was such an insane powercuming heatproducing dude, they couldn't fit it into neither
PowerBooks or iBooks.
Intel was the only answer. The Yonah was far superior to the G4. 4x faster at equal clockspeeds, 5 times the FSB speeds (167 MHz vs. 667 MHz), lowerpower consumption and lower price. It would also be able to replace single core G5's, but wasn't fast enough for Dual or Quad G5's. This is why Apple waits until Conroe/Woodcrest to announce the Intel PowerMac. I liked every single thing about PPC's, except G4's slowiness, and G5's bigginess and heatiness. And the fact that Intels are better in general.