I'm reading the Codingthewheel blog pretty regulalry. While I don't find this article on Postgre particularly intriguing, some others are good, for instance the one on hand evaluator algorithms:
http://www.codingthewheel.com/archives/poker-hand-evaluator-....
All this talk is often making me wonder whether good (and improving bots) will take over the world of online poker someday, to the point where it is just a pure waste of money for anyone else than an expert to play, on any blinds level. (not that I'd feel sad about it).