Hello all, I know this is a big request but I know some of you are much brighter about such things than I so here goes... I would greatly appreciate some help in narrowing down two common formats to be used among all my hardware. I would like to find something that will work on my new AppleTV (and iTunes obviously), iPod Touch 4G, in Windows 7 Media Center, through a Xbox360 being used as a Media Center Extender, and in a Linksys DMA2100 MCE extender. I would like to find one 720P hi def format and one SD format. I have tried and tried to find the info but am having trouble due to my lack of knowledge of video formats, 'container', and all that sort of stuff. So I bring my question to the MacRumors community. I would be doing all the conversion on a Late '08 MacBook Pro (hopefully using handbrake but can use whatever software is necessary). A little background as to why I am doing this. I have a dedicated Windows 7 Media Center PC driving my entertainment center in the living room and serving as my media server. I have an Xbox 360 in my basement theater serving as an extender (doing live TV duties and sharing my audio, video, and picture library). This setup has been in place for about 5 years now with a few upgrades to my media server along the way. About 2 years ago I made the switch to Mac and love the Apple environment. I currently have a Windows all in one pc in the office running windows 7 that I will be replacing with an Imac when I can afford to. I got an Apple TV that I would like to put in the bedroom. I have a Linksys DMA2100 MCE Extender in the kitchen. So I really want a common video format that I can use to rip all my movies and home videos so that they can be read among all my devices. To tell you of what I have learned. I know the Linksys and Xbox (after firmware updates) now support H.264. I know little beyond that. Is this possible? please tell me it is. either way... Thanks in advance. EDIT: support for the Linksys is the lowest priority... It doesn't matter near as much since its just a 8" LCD in the kitchen anyway.