A while ago I built this htpc E6600 C2D 190HD Fatality MB 2Gb ddr 3x500 Gb Samsung Spinpoints Using the onboard graphics and vga out I was playing any HD encodes (H264, x264, WMV HD, etc) using Media Player Classic withcoreavc, ac3 filter etc. Also i could play HDDVD rips using Powerdvd 7.3. All at 1280x720 with less than 50% processor usage. This was when connected to my PWD6 plasma. I now have a LX508 Plasma with 1920x1080 resolution and HDMI feed but when I switch the HTPC output to this I get no picture with Powerdvd and lots of dropped frames and jerky motion with MPC. Using vga it plays fine but there is ghosting and the picture is very soft. If I feed the plasma with 1280x720 everything plays fine. I assume the onboard graphics can't do 1080p but the processer is still only at 65% usage. So, do I need a hd 2600 pro graphics card or am I missing something simple?