Same here. My FPS are fine, but ava laggs. I mean I can play for about 10 seconds and then my screen stops for abut 3-6 seconds.. then again i can play 10-20 seconds and again lag for few seconds.. there is no way to play that game normally anymore. its sad. Why you dont even try to fix it?
AMD Phenom X4 Quad @ 3,4 GHz
4 GB RAM
Radeon HD 7850 1 GB
25MB/s fiber connection
Other games works flawless with high settings. AVA lags with the lowest settings..