We need the Origin Friends List Pane complete with Private Chats.
The format needs to be improved. There's too much padding everywhere and it's difficult to decipher what's a title/link/body text, where one section ends and another begins, etc...
Battlelog Integration? The ability to seamlessly toggle between the Forums and the rest of Battlelog is kind of a big reason the forums are so active. Despite the forums becoming much quieter over the last 12-18 months they're still way more active than most other niche communities.