GLEE is my #1 for sure! Last season when it started, I was still in law school so it was the only show that I put the books down for. I would sit on my couch, usually with ice cream in my hand and just ENJOY.
Also, I really like Parenthood. It has Nate from Six Feet Under and Lorelai from Gilmore Girls. If you tried watching and didn't get hooked, it took me about 4 episodes, but I started LOVING it after that.
Last, MODERN FAMILY. Holy moly that show is flippin hilarious.