Flock has gone to their Public Beta and it makes me go squee.
Sketch Up is available for Mac now, but I was unable to play with it in any serious capacity.
Songbird and Plum don't get links, because they're not ready for me to look at yet. Poo on them.
In other news: Amy Sherman-Palladino + David Mamet = phone conversation with Drew. See above, re: being like that.