You'll find many people to follow by following @lisamelton. She is a prolific booster and an asset to the whole community for it and I wouldn't be surprised if her name didn't already come up.
@RickiTarr does discussion roundups on a wife (edit: and wide, even) variety of topics, and you'll end up with a laugh every time you're reading her threads. you'll meet plenty of people in these threads.
@Alice is in charge of hot dogs. Nuff said.
@inthehands is an experienced hand in the development world and shares valuable insights about that world and how it interacts everywhere with everyone. I'm a big fan of Paul.
@TheBreadmonkey is British. I won't elaborate further.