the first public release of 3069 was made just hours ago!
it's based upon the futuristic roguelike '3059'. gameplay seems very similar too. I like 3069 because it has qualities that I'm using in the dominions roguelike, namely non-tile based world and different sized stuff (i.e. an elephant doesn't occupy the same space as a roach).
get it here:
http://sites.google.com/site/free3069/