You can click on their image and get a larger version that shows the arched roof.
Hi Ryan,
I was responding to this comment from Shipsure:
No they don...ends are unique to the business car as well.
Please note he did not say: business car and observation...
I wasn't sure if what I was seeing on the MT or MBK sites were actual photographs or artists renderings (given modern technology and Photo Shop, I find it difficult to tell the difference). I want to be sure what I am going to get, and want to know for sure whether business car roofs and observation roofs are interchangeable.