Team milestones, Badges from projects, congratulations to members regarding personal achievements (such as User Of The Day project awards, or reaching specific targets). Also topics about GRC (Gridcoin) rewards.
GPUs certainly make a difference, and it looks like the 50m club will be joined by 3 more members before the end of March, with another couple coming up not too far behind.
Looks like I could lose my no 2 position in the team rankings next month :( - but not without a fight :)