There was a brief article on the game in a PC Gamer a little while back reviewing the top 20 games of E3.
It's described as "a Sims clone in which, as Playboy magazine mogul Hugh Hefner, you build up the world-famous Playboy Mansion and publishing company, and control all manner of gorgeous babes, Hollywood superstars, and glitterati."
Release date says late 2k4, and it sounds "interesting" to say the least...