I enjoy this thread. I really like bike trailers-- they make me smile.
I hadn't known about Tony's Trailers. I love the kayak trailer. It's great. The dog trailers are a fun idea as well-- but you really have to be careful with dogs running on the pavement. They can tear up their pads. Dogs are very brave, and they won't let you know they're in pain.
My own view is that a two-wheeled trailer is the way to go for any utility use. I like my Nomad a *lot* better than a BOB for my uses. I would consider a BOB only for touring, or for riding narrow trails.