AdSenseAdvisor - 7:03 pm on Feb 5, 2010 (gmt 0)
These emails are being sent out by our team to help publishers better anticipate their payments. The idea is to cut down on payments-related issues by helping publishers plan in advance.
I would think given all the PIP threads that get started here that you guys would be happy to get a heads-up every month when your money's on its way. :)