SLR cameras range from relatively inexpensive(used entry-level bodies and lenses) to ridiculous. It is a very addictive hobby and can eat away at your savings very quickly. That said, most folks don't need to get a ton of lenses. 1 or 2 telephoto lenses is enough, along with a wide angle zoom and a normal zoom. But, definitely try some shots with the Canon first.
is an enigma of the first degree. It draws some nice traffic, but you have to work at it. If you don't have a car, it's nearly impossible. The field is surrounded by industrial zoning, there are no In and Outs, no retail outlets where you are able to just 'hang out', no spots on the expressways that crisscross the area to pull over. Every time I drive down the NJ
Tpke, I pass that midfield overpass that only the police can use and fantasize that one day, I will scoot up there, take a dozen amazing shots, then fly out of there like my life depends on it. But I know it will only ever be a fantasy.
Like I said, shots can be had, you just have to gauge your risk tolerance. In many cases, even when you get 'busted', you end up just having to leave. If that happens after you've been able to grab a few dozen shots, you've had a good day at Newark.