I started hatching eggs last Summer and haven't stopped since. I got my first chicks from a feed store in October 2009. It was a fairly quick slide down the incubation chute, considering I dipped into this forum a couple of times and thought, "Oh, NO, that's not for me! All that worry about eggs quitting, humidity issues, whatever the heck "pipping" is and the worry about shrink-wrapping chicks. No way."
Then one of my newly-laying hens went broody and hatched a single chick.
Somehow, that brought me back to the incubation forum, instead of all the other tracks of chicken stuff. And I ran into a post mentioning a fool-proof incubator that only holds 7 eggs..... My very first hatch was 6 out of 7 eggs from that first incubator. Watching the chicks emerge from the shells triggered an immediate addiction to the miracle.
I now own 3 of those MiniAdvance 'bators and 3 Octagon20 units which hold 20 eggs. I've got 90 eggs incubating right now; all six incubators are full. There hasn't been a time when ALL six have been empty since last Summer.