General Diet Plans and Questions - Medifast?

I have a friend who uses Medifast with pretty good success. Has anyone else tried it or on it? I'm just looking for input as far as food taste, if it's something you lost on and sustain with... etc.

Thanks!
:carrot:

Here's a thread from a few months ago regarding Medifast (http://www.3fatchicks.com/forum/showthread.php?t=66279)(which contains a link to another Medifast thread).