On March 30th, Modern Warfare 2 fans will be able to purchase a new MW2 map pack on XBL to cure their case of ‘mapathy.‘ What is mapathy you ask?

(mapathy.com)

The first two map packs for Modern Warfare 2 will be released exclusively for the Xbox 360 & for only a month. PS3 and PC players should expect the first map pack at the end of April or in early May.

[GameSpot]