There comes a time you may have to leave one web host for another. No matter the reason the idea of relocating an entire website – especially one that has been online for sometime – can seem very daunting. With a WordPress based site – I found it easier than expected – way easier.
My WindowsObserver.com

More at: http://weblogtoolscollection.com/archives/2010/04/03/moving-your-wordpress-site-and-database/