Car figures are definitely on the conservative side from the dyno's of the remapped cars I've seen! Once you remap I will have no chance, but you always seem to ignore the fact your car cost 3 times what mine did... and it didn't come with heated mirrors, or an armrest, etc etc....
mine now has heated mirrors and an armrest
Intel Core 2 Duo E6400 = £1462048MB DDR2 533 = £130 ish although you can get ddr2 800 for the same money500Gb SATA = £126256MB ATI Radeon X1300 PRO = £51DVD-ROM Reader = £10 but why?DVD+/-RW Reader 16x Dual Drive = £20Sound Blaster Audigy = onboardmotherboard = between £50 and £70 depending exactly what you wantcases = from £30 all with 350W+ most with 400W
Anything has to be better than the shelf-life of an ibook.
If your can't be bothered to build it but still want a high spec budget machine look out for weird specials like the ones Aldi (yes the cheap supermarket!) have from time to time...