Here is the top of the top 5th wheel that is made today.  If you are looking for an extremely , like new 5th wheel then take a look at the pictures and give me  a call.  This model sells new for up to $162,000 so you are paying less than half the price on this unit.  
This is the 43 ft Dallas elite so has every upgrade you would want and is built with an aluminum Body and full body paint fiberglass sidewalls. It is sturdy so weights in at 19,200 with a GVWR of 24,000.  
A few of the many features are:
4 slide outs
Power Awnings
tripple axle for easy towing
Onan 5500 generator
3 15K roof A/C with heat pumps
40K BTU furnace
King size bed
Large frig/feezer
3 burner stove top
Convection Oven
King bed in front with large closet and drawer space
2 large TVs
Fireplace
Stacked/ seperate washer and dryer
100 gallon fresh water tank
75 gallon grey water tank
50 gallon black tank
18 gallons of propane
Just to name a few of the many great features.  If you are looking for comfortable living then this is it.
I also have a 2010 Dodge Diesel dually pickup 3500 4X4 with only 50,000 miles 
that I will sell to pull it with for $33000.  If you buy both units at the same time I will do it for a total of $99,000   
This is a private party sale so NO sales tax if bought here in Arizona .