[ghoti]

Photojournalism isn't about technology. If you start from the technology point of view, you're not going to get very far. What you need to do (like turtle said) is take lots of pictures and critique them/have them critiqued. The problem with most websites where you can post pictures is that people who don't like your pictures (and who would be the ones to give you useful feedback) won't post, so most of the feedback will be positive. Also, most people at those sites haven't got the first clue, and will like any picture that contains a puppy, or flowers, or both.

You should take a look at a few good books. You don't have to buy them, go to your library. They will have the usual suspects like Henri Cartier-Bresson, Sebastiao Salgado, Dorothea Lange, Inge Morath, Martin Parr, etc. Then go out and take pictures. Any camera is good enough for that. Over time, you will realize what its limitations are and what else you want. But don't start obsessing about technology and comparing dpreview's reviews. That's not going to lead you anywhere.

BTW, Ebby: they're called diptychs ...