Regarding multi-monitor, portrait mode seems hopeless until we find a way to create a custom resolution of 800x600 and this feature is disabled for portrait on nvidia drivers for now.
BUT I can run in 3x1920x1200 in landscape mode just fine because the 800x600 mode exists in landscape surround. I don't want to have to rearrange my monitors each time I play, but I can spend some time in this configuration for a while