Rad, this is a very interesting rabbit hole for me I stumbled upon today. Keen to combine my programming and poker knowledge for some minor profit and fun mroe than anything else.
Databases of IRC poker matches hands: http://web.archive.org/web/20110205042259/http://www.outflop...
(Actually uses web-archive and handhq.com data.)
For reading: http://poker.cs.ualberta.ca/publications.html