there will never be g5 powerbooks. they're too power hungry and there are a lot of heat issues. just wait for the first intel mac laptops. and hope it'll ship with some even semi decent 3d card. 2000€ is too much for g4 and a crappy as hell 3d card. g4 = a low end celeron cpu in tasking power. plus the incoming intel macs you can probably dual boot with windows
a friend of mine has the 17" powerbook.. like the most expensive model or whatever and I tell you, it's fucking slow! sure it looks nice and mac os x is beautiful.. but it's like using a computer from the mid/late nineties.. that's how slow it is..
by the way the macs are going at ridiculous prices.. if i want a mac computer equivalent in power to mine with about the same amount of ram/hdd space/gpu power/cpu power/as big display/etc it'll cost me around 3500$.. which is almost 2000 $ more than what this pc setup costed.. ridiculous to only pay for the brand
this would be a killer setup thou.. but with a price tag of $12,470.00