Exactly, something can always be built on a budget with the right tools and know how.
But if you can blaze down the track carrying 5 people sitting in air conditioned seats with the PS3's and streaming internet fed CNN that's fun too.
Hattie, those trucks are 10 years old. They're worth $6-8K now stock. I'll bet all the interior parts have fallen off and the ergonomics are rubbish but it makes for one economical sleeper car.