check out these three links http://www.widescreengamingforum.com/wiki/...een_Resolutions http://www.widescreengamingforum.com/wiki/...r_Monitors_List http://www.widescreengamingforum.com/forum...opic.php?t=2117 and we should at least have support for these 16:9 widescreen resolution 1024x576, 1152x648, 1280x720, 1600x900, and 1920x1080 and the apple 16:9 2560x1440 that for the 27" iMac