I used to do Web site work, and I had a site dedicated to a local Supermodified racing club (asphalt circle tracks). Obviously, a racing site without photos sucks, and I spent the entire first year begging everyone to submit photos. When it wouldn't happen, I decided to do it on my own.
I borrowed my mom's Canon F1 (full manual EVERYTHING) and 75-300mm manual focus lens and just used it. Never had an ounce of training. I used to shoot 7 rolls per night, and it took 4 races before I had a photo worth using.
Then I got a newer SLR, Canon eLan 7. Auto focus was my new friend. OH MAN! Shots starting coming out better and better, and I purchased my first lens, a knock-off 100-400mm. I'll never buy a cheap lens again. But I've shot so many rolls through that lens. My wife is also a docent at the local zoo, so I spent a lot of time shooting animals, as well.
This last summer, I broke down and went digital. I was real hesitant, but I was also headed to Hawaii for 10 days, and knew I'd spend half the cost of the new camera, just in film! So now I use a Canon 20D. I miss some of the things film could do, but there's nothing like instant gratification and re-do-mistakes features. And the cost! I shot over 1300 photos in Hawaii! Try that, film lovers!
The biggest difference has been in the tank. I've taken over 4000 shots of my little tank. That would be so cost prohibitive with film. So here I am.