The Presidio and the Mandalay were the only two lines made by Mandalay Luxury Coach in 2008.
See
2008 Mandalay Coach Price, 2008 Mandalay Coach Values & 2008 Mandalay Coach Specs | NADAguides
At that time, Thor Motor Coach had not been created so except for corporate ownership, Mandalay lines were built separately from other Thor RV lines including those from Damon and FourWinds.
These beautiful luxury RV's had everything that the RV buyer would desire. And I submit that owner TLC over the last 10 years are a bigger impact on the current condition of this coach than any other factor.
If the floor plan fits your needs and the mechanical condition can be verified, Presidio RV's are very nice, made with high quality parts and by skilled techs.
Best luck