im getting a new computer and I was wondering if I could play battlefield 3 on it. System specs are amd athlon quad core @ 3.0ghz, 4 gig ram, and a nvidia geforce 6150 card. OR I can get a syx amd athlon quad core @ 2.8 ghz, 4 gig ram, and a radeon 6850 video card. On good settings.