Ha, trouble is I'm on a 7950. Surprised it's running at all
Where would I find the settings for super sampling on the Vive? Take it it's not in the game settings?
Also does the game display on your monitor as you played? Mine doesn't I just get a black screen on my monitor. Again I'm guessing due to under powered gpu.
7950 was a good card. I have one on the shelf, HIS IceQ blower
I don't know if it can be found else where but it does appear on the SteamVR Settings under the Developer group.
I tend to turn off the monitor display if I can. Not looked into it too much but I think the Rift uses a tool called Mirror to display certain titles on the monitor that don't have the option.