I've just bought a Kyham Screendome. Not had any use yet, but very happy with how easily it goes up and how sturdy it feels. Same space as a gazebo, but I'm hoping it's much better if it gets wet and windy. I think they may have come down a bit in price too at £175.
http://www.somersetcamping.co.uk/det...FdHMtAodGjMADA