ShackNews had the opportunity to play StarCraft II, you can read their preview over here.
But I'll get to those gory details later. In more exciting news, I was able to play the first four or five missions of the singleplayer campaign, this being the first time we've gotten our hands on it. I even snuck in some time with the skirmish mode, discovering a few new features in the process. The shorthand: it's all looking pretty great.
Additionally, Game Trailers has a nearly five minutes long gameplay trailer of StarCraft II: