Basically it is becoming an automatic roll-up bundle, no more picking and choosing check boxes.
I used to do only the security updates. Can't do that starting now. Good luck!
Best thing to do is keep up with Woody for Windows articles on MSFT antics and problems. Or switch to Apple.
http://www.infoworld.com/article/312898 ... lypse.html
http://www.askwoody.com/
http://www.infoworld.com/blog/woody-on-windows/