Thanks, it works now. I see the 'Andriod Composite ADB Interface' under the Android Phone tree after I installed the drivers again.
Originally Posted by wayrad
I followed the instructions (Win XP) and got the correct result when HBOOT was enabled, but not when I wasn't in HBOOT (it still said "My HTC"). When I unplugged, rebooted, enabled USB debugging and plugged in again, the New Hardware Found window came up again so I repeated the driver installation (without being in HBOOT) and that time it worked. The actual rooting was a piece of cake after that.