This is the response I got from Nvidia: Note the bottom line about specific and driver:
"Thank you for contacting NVIDIA Customer care.
This is Sunil, assisting you with the query you have.
I understand from your email that you would like to know if the Vizio XVT 120HZ 37" monitor will be compatible with NVIDIA 3D vision.
Thank you very much for your interest in our product line. For NVIDIA 3D Vision you need to have specific 3D monitors and TV. Please find below a list of 3D Ready display devices that are compatible with the NVIDIA 3D Vision. Please note that these display devices are tested and approved to be used with the NVIDIA 3D Vision:
3D Vision-Ready Displays
" 1920x1080 Desktop Displays
o ACER GD245HQ 120 Hz LCD display
o ACER GD235HZ 120 Hz LCD display
o Alienware OptX AW2310 120 Hz LCD display
" 1680x1050 Desktop Displays
o Samsung® SyncMaster 2233RZ 120 Hz LCD display
o ViewSonic® FuHzion™ VX2265wm 120 Hz LCD display
o 100 Hz and higher analog CRTs
" HDTVs
o Mitsubishi® 1080p DLP® Home Theater TV: WD-57833, WD-60735, WD-60737, WD-60C8, WD-60C9, WD-65735, WD-65736, WD-65737, WD-65C8, WD-65C9, WD-65833, WD-65835, WD-65837, WD-73735, WD-73736, WD-73737, WD-73833, WD-73835, WD-73837, WD-73C8, WD-73C9, WD-82737, WD-82837, L65-A90
o Mitsubishi 1080p LaserVue TV: L65-A90
o Generic DLP HDTV mode
" Projectors
o Acer X1130P
o Acer X1261
o Acer H5360
o DepthQ® HD 3D Projector by LightSpeed Design, Inc.
o DQ-3120 by LightSpeed Design, Inc.
o ViewSonic PJD-6210-3D
o ViewSonic PJD-6220-3D
o ViewSonic PJD-PJD5351-3D
o ViewSonic PJD-PJD5111-3D
Also, please be informed that there are LCD and HDTVs that are on the market that claim to display at 120 Hz refresh rate, but only accept a 60 Hz input signal over HDMI or dual-link DVI. These type of displays use framerate conversion or backlight flashing to convert 60 Hz signals into 120 Hz and it may not work or give the right output.
Therefore, I am sorry to say that at this time NVIDIA has not officially tested and released a driver that supports Vizio XVT 120HZ 37" monitor."
Note my Vizio will not, at least according to the Nvidia software for my 295, accept a 120 HZ signal, though I'm pretty sure if the TV could, the card would be able to do it.