Motherboard: Gigabyte GA-870A-UD3. CPU: AMD Phenom II X6 1090T 3.2GHz. Present graphics card: AMD Radeon HD 6850 1GB PCI Express, with no HDMI out port. Power supply: 700W. Operating system: Windows 7 Home Premium 64-Bit. Want to surf web and stream movies from pc to HDTV (not a gamer or graphics pro)