Yep, I'm still finding my way around the camera. It's a Nikon D3100, their entry level DSLR ( I think replacing the D60 and D3000 ?), with a 18 - 55mm Nikon VR lens, a 55 - 300mm Nikon VR lens and a 70 - 300mm macro, Sigma, non-VR lens.
The camera itself has, in my opinion, far too many features on it, including video, and the focusing options alone are mind-boggling!
I've 'missed' a few shots at the two air shows I've done so far, purely due to either selecting the wrong focusing mode, or the camera/lens wanting to re-focus at the wrong time! With a traditional SLR and lens, I would have caught these no problem.
No doubt I'll find the best settings eventually, and of course the huge bonus is not having to buy film and pay for processing and printing, with the really big bonus of not needing to re-load at the critical moment, with between 850 and around 1,400 exposures being possible.
I'm still not totally happy overall though, as the whole set-up is off-balance and cumbersome, even allowing for my knackered hands, compared to the Olympus 35mm system I used for 30 years.