Korean Forum:
http://gall.dcinside.com/board/lists/?id=pokemon
It's a mix of all meta, along with useless threads. It is, however, mostly about battle spot singles. There are quite a few 1900+ and some 2000+ players there. For instance, Korean players like Jeong Hoon is an active member. If there are by any chance people that can read Korean, they should check it out. Just make sure to filter out all the hostile and/or ridiculous threads and comments...and you will see some nice discussions/topics. I find it nice to explore the Korean metagame just because they have a rather different view on the battle spot singles environment, as do other communities. While most Koeans acknowledge the Japanese are far and beyond better than the Koreans in general, I would give the Koreans' perspective a shot.
Two things that I've found are interesting are regarding mega salamence and dragonite.
1) Dragonite: While here, it's considered a B+ pokemon that doesn't exactly fit well into most teams, Koreans view it differently. They consider it an extremely good pokemong for the battle spot singles as DD@lum/LO and CB sets are considered top tier while not requiring mega evolution. It is almost always mentioned in the infamous 카바루카 (kya-ba-lu-ka) core that consists of hippowdon, mega lucario, and dragonite. Hippwdon usually carries SR+yawn, mega lucario is usually a NP sweeper, and drgonite is usually the DD variant with LO or lum. This old core is considered to be one of
the most powerful cores that is hard to stop and is very consistent even though it's so predictable.
2) Mega Salamence: If you go on the Korean forums, you will often times see people talking about mega salamence and mega kangaskhan. Mega Salamance is considered to be broken/over powered in the Korean community and you will see people often referring its power/potentials as ㅆㅅㅌㅊ, short for sship-sang-ta-chi, which quite literally means ****ing god tier. The DD sets, mixed, bulky, sub+roost, and even special sets are all considered good with the exceptions of the special set, which people usually don't like much. The most popular sets, however, are the DD variants, particularly the DD+sub. top players often tell lower-rating players to just slap this or the mega kangaskhan on if they want to reach 2000...half jokingly (and become a japanese).