Bootcamp+MacPro+23" Cinema Displays = :-(

Several readers have reported that they can't use their 23" Apple Cinema Display under Windows XP running through Bootcamp on a MacPro equipped with a Radeon X1900 XT.
When booting in XP, the display is seldom detected and only for short periods of time, stopping working as soon as you reboot. 20" Cinema Displays do not -erh- display the same problem.
It seems like the problems comes from Apple's custom Radeon X1900 XT, or rather to the drivers, which are quite flaky under XP.
Let's hope Apple get to work and fix the problems quickly.