Most have probably seen it already, but here's some interesting articles on the phenomenon:
PSY And The Acceptable Asian Man | Racialicious - the intersection of race and pop culture
'Gangnam Style' Viral Popularity in U.S. Has Koreans Puzzled, Gratified - Speakeasy - WSJ
Psy's `Gangnam Style' Spreads Beyond South Korea - Korea Real Time - WSJ
And do you think there's a chance we'll see at least one Gangnam Style knockoff in the next ESC?