Just saw this was recently added to NWA.com
http://www.nwa.com/services/onboard/special/menus.html
International Flight Menus
For the enjoyment of your next International flight, Northwest Airlines now provides to you our World Businesss Class in-flight menus for our India, Interport, Transatlantic and Transpacific flights.
Please check back often as our in-flight menus will change periodically.
I just want to add
my personal thanks to Suzanne Boda - VP for In-Flight regarding this addition... We had talked last november about adding this to the web site, and it recently happened (it was a surprise to even me!)