http://labs.adobe.com/technologies/apollo/
Apollo is the code name for a cross-operating system runtime being developed by Adobe that allows developers to leverage their existing web development skills (Flash, Flex, HTML, JavaScript, Ajax) to build and deploy rich Internet applications (RIAs) to the desktop.
You could probably use a tool like Winhex to copy the drive in XP/Vista.
Not sure what you'd use to change the partition size. I have found that, even with this great Apple TV we still need a video converter (things like Apple TV Converter) in case to put our favourite movies onto Apple TV before playing them on TV Screen.
My apple tv converter
http://www.apple-tv-converter.com