After a slightly boring spell in the world of celebrity real estate, the boldface names struck back with a vengeance this week (and we thought the busy season wasn't until spring!). The big headlines were of course Anderson Cooper pretty much being confirmed as the buyer of an old firehouse, Billy Joel's ex Katie Lee planning to list her renovated West Village townhouse, and Alicia Keys getting ID'd as the likely buyer of Lenny Kravitz's long-languishing Soho penthouse. Because of these biggies some smaller stuff fell through the cracks?Julianne Moore shopping for a new home in Soho, Dick Cavett's $11,000-per-month Harlem rental(!)?so let us collect 'em all up for your enjoyment in the latest edition of Star Maps.