Never quoted myself before Tried the 360 with an HDMI to DVI cable. 1920x1080 (1080P) was, as feared, stretched to 16:10 ratio but the 1680x1050 setting worked perfectly, and looked just fine. Only RGB color is supported. The two other YcBCr were not and colors were wrong FYI. <----Wrong EDIT: I took another look and the OSD allows adjustments to the color input to use YPbPr so you can use these settings as well. <---- Correct 5:4,4:3 and 16:10 "full" are the only settings supported. All other settings have to be handled by the video card on a PC. With a console only the 360 works properly for aspect ratio because it puts out 1680x1050 and adds black bars top and bottom.