Pros
Unique office environment lends to positive first impression by prospective employees or clients.
Cons
The office is distractingly loud and echoes inside -- from conference room noise coming through the air ducts to whistling, rumbling freight train traffic a few feet from the building. More importantly, in my experience this is an environment where you may regret trusting your co-workers... it's a place where team members secretly undermining each other was the accepted norm.