Breathe New Life into Your Old PC — with Windows 7

Windows 7 may shake up that thinking, being the first version of Windows that, judging from widespread reviews from beta testers, runs faster than the prior one. While the minimum specs Microsoft outlined for Vista were lower than Windows 7's,Vista was so bloated that it ran poorly on many PCs. Think of Windows 7 as Vista after an extended stay at the weight-loss spa -- trim, buffed and Botoxed. Even Netbooks can run it.