OMG, you like Buffy and Dead Like Me too??? Those 2 are a few of my favorite shows!!!
Some of the other ones I can recall at the moment I really enjoyed include:
Sex and the City
Oz
Six Feet Under
Sweet Valley High
Swan's Crossing
Angel
Undeclared
Queer as Folk
The Ali G Show
Omg aren't you cool! I totally forgot to add sex and the city to my list of awesome.