BlackBerry link duplicates songs on device!
So, the latest MR update seems to have fixed my cover art issue so they now mostly show up and mostly show up correct. A few didn't initially, but when I re-added the art in iTunes, it seemed to work.
However, leaving music syncing on has resulted in music being copied over multiple times and filling my media card. I have no idea why this accursed software does it, but hopefully they fix it soon.
Still can't believe this garbage was ever released on the Mac. Sorry for being blunt, but it's horrid.