I' ve only taken two bucks ever, both with my bow and both on the wall. As far as size they are medium, both around 90-110 scoring wise. Anyway, I have a short term goal of only taking bucks bigger than my last one. I realize that once I take a huge one I' ll be at a point were waiting for one that big might not happen. That is my personal level of expectation.
Here is an interesting read I found on the web:
http://mainehuntingtoday.com/phpweb/index.php?module=article&view=88
It says there are five stages of hunting and that as we mature we reach the next stage.