Is there a program like dropbox/mesh that allows you to sync a directory but filter on filetypes? [closed]

Is there a program like dropbox/mesh that allows you to sync a directory but filter on filetypes? [closed]

I'm interested in syncing my zune folder among computers. I don't want to sync all the subscription music (wma files). I only want to synchronize mp3 files in the zune directory tree. Is there a tool that does that. Everything i've seen so far takes an all or nothing approach.