I agree with Evo. Shoreham is too big; we'll have the usual problems of finding each other. It also tends to get incredibly crowded on summer weekends; I remember waiting 15 minutes just to get a word in on the radio to ask to taxi!!!!!! Both Old Sarum and Compton Abbas are smaller, less crowded, and absolutely lovely. My vote would be for Compton, which is one of my favourite airfields, on the strength of a very short visit just to get fuel.
BRL, how about a vote on the place first, THEN the date.