Depends on what applications you are running - are you a big gamer or do alot of video editing?
If you haven't already done so you will have to consider;
will your mobo take a 166FSB processor and is your PSU up to the job
WPA2 hack: How secure is your Wi-Fi?
HP’s new Surface Pro rival is designed specifically for Adobe-using designers and artists
Best kids apps for iPhone & iPad
Que faire si son iPhone ou iPad est tombé dans de l'eau ?