Another newsletter I subscribe to is Scot’s Newsletter. It’s usually pretty long but every so often there’s a real gem in it. The June 17, 2003 issue has a link to one of Scot’s Forums that discusses XP services. The forum postings have some good links to sites that explain what service does what, which services you can shutdown and so on. Here’s a link to the forum:
http://www.scotsnewsletter.com/forums/index.php?act=ST&f=4&t=1271&s=.