Very nice. 

The picture I have also shows a hydralic strut at one end that takes the weight of the top shell. They are a pain to set in Poser so I was going to leave it out.

This is what I am using as a reference http://www.alphasun-usa.com/images/asusa-shadow.jpg
from this page http://www.alphasun-usa.com/hometanningbeds.html.

I figure some artistic license can be used . 

Just out of curiosity what do you model in ?