I have a 1999 Dutchstar with one slide, 300 Cat engine. We have been full-timing for almost 6 years and have been VERY happy with it. I have found that most Newmar owners are.
I suggest with your time restraints that you surf the net until you find the type of rig you want then do a Google on it.
Check out Used RVs, Motorhomes, and Consigned sales - PPL Motor Homes
they show floor plans as well as prices that will give you an idea of an appropriate price.
They also have a listing for prices paid for rigs over the last several months which is handy.
Good luck and be blessed.