IT might seem a tad silly posting all the information about MSN outages and the likes on the frontpage (yes yes i hear you cry... it would consume it all) so there is a forum post which will be kept updated with all the lastest information. Please feel free to bookmark it.
View: Forum Page
Equally Useful is the .net service status.
View: .Net service status - this is not (as you might expect) entirely acurate - gives a broad idea though.
Also, If you have a problem with MSN check out MSN support services.
View: MSN support services
Press read more for resolutions to the problems listed in the previous post, and once again thanks to kxgard3!