Hi Ed...sounds like you got a pretty decent deal.
especially if he comes thru with the seats, but even if not,thats ok too.
probably at this point it would be a good idea to spend an evening or two and give the truck a "once over" just to make sure you know whats going on at 70 m.p.h. on the fwy.
electrical,brakes,all fluids,hood latch,door latches,front suspension,coolant hoses,lug nuts,tires,etc.......etc......most of all,ENJOY IT!!