The focus on APUG is analog photography, so it's best to ask about a good SLR here. If you are planning to learn both digital and film, then you might ask over on DPUG where the scope of the site includes hybrid and digital imaging. Personally, I think a basic manual SLR is a great place to start, something like this:

http://www.bhphotovideo.com/c/produc...LR_Camera.html

Good luck.