i hear NISEKO GRAND HIRAFU japan is good aparently, check out :
http://www.snowjapan.com/e/resorts/r....php?resid=120
been doin some research , korea is cheaper but the sport there is less developed, japan is more expensive but the powder is meant to be the best and theres less chance of being taken out by a beginner thinking he can handle a red or black slope on his first day(which happens in korea aparently!)