I upgraded my old Nvidia 9400GTto a fanless GT520, to get VDPAU working properly.
The 9400gt could only get slim VDPAU without tearing, but the 520 has no problem. I'm on the latest drivers now as well
The old IBM thinkpad in the kitchen has the problem with the HD feeds, I probably need to set up it's screen better.
sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update
sudo apt-get install nvidia-current
Not tried WIFI but I guess even 802n would be too slow.
I thinks it's got intel graphics, will look