So I am after a 2nd hand graphics card to replace my 1060 3GB (which isn't cutting it due to the lack of VRAM)
The best options at the moment seem to be:
1080ti 11GB: $700
1650 Super 4GB: $320
1060 6GB: $300
Not sure if the 1080ti is overkill and if it is worth risking $700 on a 2nd hand card that is so old when I plan on building a new PC in the next year or two anyway. I'm stuck on i7-4790 w/ 16GB 1600mhz DDR3 ram for now and will put my current 1060 3gb into another PC with an i5 4570 so it has a good pairing
None of those if you're building a new PC in a year or two. Waste of money on overpriced second hand cards.
Assuming this is for gaming, just lower the settings to suit VRAM requirement. People game on lesser cards than 1060 just fine.