Sell Nikon Kit and move to X Pro1

You'll see a lot of this as you look around this forum, people switching from Nikon and Canon kits. It does depend on how / what you shoot. The XP-1 is a great camera, but it is not quick and takes some real getting used to. May not be an either / or for everyone.

As for lenses, here is a link to their road map. By the middle of next year, they will certainly have a variety of lenses covering the range from 10mm to 200mm:

http://www.fujixseries.com/discussion/933/fujifilm-x-mount-lens-road-map-2012-2013/p1