It only took the $146 million grossing Sex and the City movie to make HBO sound semi-relevant again, and the pay-cable channel doesn't intend to let that buzz disappear so quickly. Already execs are working on a second SATC movie, and the low-rated but buzzworthy In Treatment and Tell Me You Love Me are expected to return for sophomore seasons. HBO still won't be carrying Weeds, Dexter, or This American Life, but another season of Curb Your Enthusiasm and the introduction of vampire series True Blood might be reason enough to hang on to your subscription.