narfboy48,

For most recorded content on Vista, it should be able to play those files.

I'm not sure what speculation exists with the LN32A550, but according to our information, it is compatible.

Here is a list of specifications and a list of Samsung televisions that work with the MediaLive Extender.

http://i397.photobucket.com/albums/pp60/samsung_hd_tech/MediaLiveTVSupport.jpg

You will need a tuner, or someway to import the content to your computer. There are several ways to do that, and I invite forum members to explain their successes.

--HDTech