>>Xp sp1. I somehow always try to use the latest obsolete one that's sure to work :).
>
>This theory works for the computer hardware too. But the latest and they fleece you for a few GHz more.

For hardware I go for the top notch... as of about 12 to 15 months ago :). By that time they've worked out the bugs, shipped the newest and latest, and the development on what I'm buying is practically over. And the prices become reasonable.