went with 20s and had a fekin awes time!! reps were tops and took us 2 all the gd bars! theres always summin 2 do and it was rly hot!! 13 hours over a week will do u no harm  lol - not that we got much choice wai out quiet, shy neighbours (the boof guys btw!) met some gr8 ppl and had a right laf!! will b back next yr!!