Right now I have a 550 W (but 5 years old) PSU, Ati Radeon HD 5750 graphics card, 8 GB RAM and an AMD FX8350 CPU. It feels like it's time for me to change my GPU (and possibly PSU) but I need help doing this as I know little of the cards currently available or what is important when chosing a card. My budget is around 360 dollars but I can go up to 440 if that will be absolutely necessery to get a good deal. I hear AMD is releasing new cards later this year and I am wondering if I gain anything by waiting (maybe Nvidia lowers their prices for competition?) or if I can get a pretty good card now for the money.
With that I mean I should be able to play with very high graphics on most games in the beginning and high for at least 2 years. I play both mainstream FPS shooters and strategy like RTW II. Should I use crossfire with my old card or is Nvidia the superior choice so much that I should ditch it? I think my motherboard is Gigabyte GA-970A-DS3.