I have a khyam screenhouse and really reccommend it, it takes about 2 minutes to erecta, can open all four sides and has a porch type thing too, you'll need to buy a liner if you get one as they dont come with.. I'll be using it to camp for some of this years nats
We always used to hire a marquee for the Blyth/Worksop nationals, anyone remember that? John would usually supply a keg of marstons but it rarely made it past friday night