I beta'd sp2 and removed it in a day.
I gave it another shot a few days later and pulled it off again really quickly.

For Suzy Secretary who spends too much time surfing when she should be typing up reports, it'll probably keep some of the crap off her box.

For someone who knows what it is that they're doing it is annoying as hell. Especially someone who does everything he can to stay away from Microsoft products. It didn't like Mozilla as my default browser. It didn't like downloading with Opera, it slowed my box down to a crawl. A crawl I tell you.