nah not tried one, and that's what I was thinking, hence the 200 and not the 500. cheers, still interested if anyone knows this particular model though. From what I can tell, the bugger is that the top needs to open fully from side to side if you want to use it without the poles like in a tent or inside a mates house, as I have seen a cpl that open either side of a central canvas strip that straps to a spreader bar between the head and toe hoops.