Garrisone,
As to clubs and competition, I'm about at the fringe of commuting distance to the City of Boston, there are a lot of shooters around here and each town around me has a shooting club of some sort. However to find a competition to shoot in, I have to drive about an hour and 15 minutes each way to get to the nearest matches... You are right, its very frustrating these days to be interested in competitive shooting. I used to belong to a local Rod & Gun club with a nice range however I dropped out due to the fact there were no competitions, the ranges seemed to be used only by those wanting to sight their deer rifle before hunting season... Fortunately I have my own "home" range so I only have to make the drive once or twice a month to shoot in AGBR matches...
As to buying an airgun, first of all, you need to be more specific as to what you want to spend. Airgun shooting has a high initial expense to get into higher quality guns complete with accessories and if it were me, I'd only go for a PCP type airgun however, to do so means purchasing an expensive tank set up or an expensive hand pump to charge the gun...
For field shooting and hunting, my choice would be an Air Arms S400SL-XTRA in .22 caliber. Its a very well made, accurate PCP airgun and sells for about $862 last time I looked. Then you have to decide on tank or pump for charging it. FX in Sweden makes a very nice 4 stage hand pump capable of filling this gun to full pressure (2800-2900 psi). Personally, I prefer a tank and use an AirHog 88cu.ft. carbon fiber tank which gets me about 50 gun fills between needing to refil the tank. Part of the reason for carbon fiber at its higher cost is it holds a higher pressure (4500psi.) and weighs less (abt 17lbs full of air). Another possibility is to use bottled nitrogen instead of air if you are not near an airtank filling service. I'm fortunate in that I have a dive tank certification business about 4 miles from my house and they will fill my tank whenever needed at a cost of $5.00 per fill.
A less expensive PCP airgun that is quickly becoming popular is the Benjamin Marauder or M-Rod as some call it. A couple of fellows that come to our matches shoot them and they are a nice looking gun however don't seem to have the accuracy of the Air Arms guns from what I see of them.
On the more expensive side of the scale are the FX guns made in Sweden and the Daystate guns made in England. Top end would be Feinwerkbau and Anschutz...
Hope some of this information is a help...
Happy Shooting,
Mitch & Shadow...