Low setting isn't that bad for SP. It actually still looks good. but they used down graded graphics for MP (...port) so it's actually don'y look good even at high res...
we are hoping for performance patch and dedicated server files after the holiday. (cross your fingers...since UBI never responds or answers any questions regarding Vegas PC version...)
and this game is super CPU heavy than most of games. if you are OC, watch your temp. mine went to 56c....usually for other games @ 45c. max. so expect around 5-10c rise than the other games like BF2. and lower end CPU has huge impact on this game even if you have a good GPU.
anybody whos thinking to pick this game up, i'd suggest you to wait at least after the next patch (after the holiday). there are not just technical issues, but so many bugs and poor presentation makes ppl frustrated than having fun ATM (especially on MP).