If you're rich and fashionable, then you probably have an iPod. If you're a rich, fashionable computer geek (there are a few, apparently) then you probably run Winamp too. Guess what? iPod can now be married with Winamp, thanks to a new plugin.[L'inq]A COMPUTER SCIENCE student from Cambridge University has perfected a plug-in for the music management software Winamp that allows iPod users to dump Apple's iTunes and use Winamp instead.