Works for me... here's how I do it with a Radeon 9800 Pro 128 MB dual head.
1. Make sure the window is not 'maximized'
2. Move the WMM2 window so that 75% of it is on the right hand screen, and
25% is on the left hand screen.
3. Double click on the preview to resize it, and it will appear full screen
on the right hand monitor.
4. Now drag the WMM2 window back to the left hand screen.
5. Resize to your liking and go to work.
Interesting to note, if 75% is on the left, and 25% is on the right, the
preview will 'jump' to the left hand screen. So, you'd have to drag the WMM2
window to the right hand screen to work.
For me, a full size preview isn't necessary but if you want to feel like
you're in heaven, extend the WMM2 window across an extended desktop. Being
able to see twice as much of the timeline is nice and really speeds up the
workflow.
