The Korean monitor people are importing use the same LG panels used in high end Dell and Apple displays reportedly, so not e-IPS. Dell just released a new AH-IPS display in Japan which is cheaper than their previous generation and supposedly has a faster response rate.
not only Japan:
http://accessories.ap.dell.com/sna/...cs=audhs1&l=en&s=dhs&sku=210-40773&redirect=1