Here are a couple of active forums on RV use and the full time lifestyle. Might be some useful info.
RV.Net RV and Camping Forum ? RV, Trailer, Camper, Motorhome, Camping and Campground Information
Escapees Discussion Forum
Don't know muck about the financing end but have been researching the last couple years with the intention of going full time in a couple years. The Consumer RV Group is a good suggestion. One of the most active RV forums can be found HERE. A lot of good info. Also, once you narrow down your...
I have read that the Philadelphia Free Library has a good selection. The annual fee for non-residents is $15.00. I have sent my $$$ and am waiting on my card.