Everybody reads Korea Beat, The Marmot's Hole, and Roboseyo, but there are a few others that you really should include in your daily routine.
1. Ask the Expat. Done by the guy from The Morning Clam and the administrator of the massive "ESL Teachers in Korea" Facebook group, he answers the questions he gets about living and working in Korea. He's not only thorough but prolific as well, with 25 posts in the 27 days he's been around.
2. Extra! Korea. A new start-up from "Troll_Bait" of Dave's ESL Cafe, it helps fill an important void of news coverage since Robert Koehler has been increasingly absent from The Marmot's Hole.
3. An Acorn in the Dog's Food. The half-assed armchair sociology of the Korean blogosphere is extremely tired, and it's refreshing to read an informative blog with a lot on temples and travel. The key word being informative, Paul also posts on current events and culture from time to time.
4. Monster Island! (Actually a peninsula). "Kushibo"'s blog, and if he comments on your site you've probably seen him link it eleven times a day. A rather, um, controversial member of the blogging community, he is insightful and well-informed, and I think the only one-man blogging show who posts more than I do.
5. Chris in South Korea. Chris travels somewhere new each week and blogs about it. In between he has tons of photos, stories, and commentary on news and culture.
I'm sorry to those listed, I'm not implying that people aren't reading you now. I just mean more people should be. The five here have an average of only 22 subscribers through Google Reader, if that's anything to go on.