it's cut-throat primetime time this fall, as some 23 new shows compete in one of the hottest ratings races in years. here's one just about everybody predicts will be a big hit. "designing women" on cbs. four friends forming an interior decorating business and giving each other the business. >> suzanne, if sex were fast food, there would be an arch over your bed. >> linda bloodworth-thomason created one of the funniest, most unusual shows in "designing women." they were a different group of women than you really saw on television. they were feisty, they were sexy. and linda's voice came through shining. >> a man can get away with anything. i mean, look at reagan's neck. it sags down to here. and everybody raves about how great he looks. can you imagine if nancy had that neck? they'd be putting her in a nursing home for turkeys. >> they had given me this 23