i have a gigabyte M68M-S2 motherboard...amd 64 athlon X2 240 processor....dual core 2800Mhz...3 Gb of kinston 667 Mhz RAM...500 gb western didgital SATA hard drive..420 watt PSU....HP DVD writer and running windows 7 ultimate....will my motherboard accept a video card with HDMI outputs without me having to upgrade anything? and if so any suggesstions on the video card? thanks!