TeamLiquid

If you haven't visited www.teamliquid.net, you should definitely go. Any and every StarCraft 2 pro, including korean pros, actively contribute to this website. They offer news, guides and a community for the Starcraft 2 scene and they do an excellent job. With a largely populated community, teamliquid allows players of any caliber to shed some light on the lesser known areas of Starcraft 2.

If you haven't already, check out their liquipedia. It offers many well refined build orders and counter build orders for Starcraft, Broodwar and Starcraft 2. The liquipedia has so much content and all of it has been used by at least one pro gamer. And if you're having trouble, members will try their best to help out. Just follow the guidelines within the forums.

Their team consists of huge names such as Jinro, TLO, Tyler and Ret. These guys have gotten first place in many tournaments and often offer live streams to their games in high quality. This will give you an idea of exactly how a pro gamer plays. Be sure to notice how they use their keyboard and mouse to achieve high APM in an efficient manner.