Tuesday afternoon we asked about rumored layoffs at Niche Media, publisher of socialite city magazines. From what we've heard since, it sounds like the bloodletting does, indeed, go well beyond Philadelphia Style and is in fact related to the Wall Street meltdown and advertising recession. "Top management is on it's way to Miami to repeat the same," one tipster writes. "Slash up the staff at Ocean Drive." Another writes, "There were more layoffs on Monday at [DC-based] Capitol File. The senior editor and two sales reps were let go." It should come as little surprise that plummeting real estate values and stock market contraction should sharply curb the number of people who think of themselves as affluent, and who thus read these sorts of magazines, particularly in recently fast-growing cities like Miami and DC. CEO Jason Binn made things worse by expanding to aggressively, one tipster claims: