King Biscuit - I made it!
Thank god - nearly thought I wouldn't, was stressed about getting an SUV (4WD) which I could lay out in the back of for cheap accomodation, and, if I couldn't get an SUV, I was stressed about getting from Memphis to Helena, then finding somewhere to sleep.
When I took the taxi to the airport to pick up my car, I was assured by the taxi driver that he could have driven me out to Helena - hell, the even have the rates printed up in the taxi - the paultry sum of $150. That's not even return, hell I rented my car and have accomodation for just over $250.