We have a corporate license for Acronis True Image - it does the job really well and you can run it directly in windows XP (it reboots and runs the image process is the windows xp startup mode, so nothing is locked).
They have a relatively inexpensive home version (and a downloadable trial):
http://www.acronis.com.au/homecomput...cts/trueimage/
Not really the question you asked, but hope that is helpful.