Nikon D3100 14.2 MP Digital SLR with 18-55mm Nikkor

That is where to start, for less than 450 bucks, delivered. Then look around for what sort of long lens you might want and/or need (two different things) and get for a couple of hundred. You certainly do not need 200 mm for pans, and the same applies to fisheye - ever thought about distortion? What you do seem to need is finding out what shots exactly you will produce with the gear you have in hand.