I've released a new version of the monte-carlo packages for haskell. Here are the highlights for monte-carlo: Changes in 0.2: * More general type class, MonadMC, which allows all the functions to work in both MC and MCT monads. * Functions to sample from discrete distributions. * Functions to sample subsets For a quick tutorial, see my blog post at http://quantile95.com/2008/12/31/monte-carlo-poker-odds/ Happy New Year, everyone! Patrick