Yes, Fuji will release a M-mount adapter for the X-Pro 1 - Leica Rumors

I just received an answer to my question from two days ago - soon you will able to use your Leica M lenses on the upcoming Fuji X-Pro 1 mirrorless camera. Fuji will announce their own M-mount adapter for the X-Pro 1. The price of the X-Pro1 body is $1.699

via Leica Rumors: http://leicarumors.com/2012/01/07/yes-fuji-will-release-a-m-mount-adapter-for-the-x-pro-1.aspx/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+LeicaRumors+%28LeicaRumors.com%29