Hi ChairChimp, & welcome.
Temple is near Gatwick airport in Surrey, not far from the M25. They have 3 sup'air fields set up permanently & run at least one & often 2 tourneys per month. This weekend they are doing both 5 & 7 man, the most common team numbers in the UK.
If you want to get a good idea of what tourney play is all about without travelling about 250 miles, have a look at the Midlands Masters (sorry, don't have the web addy) or Series 2002/2003 (
http://www.tournamentpaintball.co.uk/). They both run events most months where you play for both tourney and series points, & if you turn up just to watch you'll get to meet loads of friendly & insane people, get to watch some good 'ball, & get a feel for tournaments. All levels catered for at both series & just about everyone who plays will be happy to give you advice, often whether you want it or not!