See the forum for more on this new feature. Immediate benefits are improved performance and uptime. Long-term, the move enables implementation of advanced site features. Cornerstone has released a PCI dualhead card based on the Matrox G450. According to Cornerstone, their Win2000 drivers have full multimon support, just like Matrox's eDualhead drivers, meaning that you can use different resolutions and refresh rates on each monitor.
More information is available here .
Matrox has also announced their own PCI version of the G450, it is scheduled for release in the second quarter of this year. See the product page and the press release for more information. I have updated the Windows XP preview for Beta 2. In addition, we've tested more individual applications for use on multiple displays than any other vendor. The PCI version is not available yet, and no price has been announced.