Seoul Grand Sale is coming again, is scheduled 54days, between July 21 and September 12.
Korean and foreigner can get up to 60% discount benefit in Seoul, I think at least we can get 10% off.
Seoul Grand Sale 2010 public website address is http://www.seoulgrandsale.com/2010/en/main/main.asp
This website serve a detail information about Grand sale, such as printable discount coupon, participated retailers and map of retailers.
If you are in Seoul, print a discount coupon to save your money.