I've always heard great things about The Wire. Just started watching it OnDemand, and I like it. Through about half of the third season now. Good stuff. I don't know if it lives up to the "best show ever" hyperbole I've read, though.
And it is a little dated, dealing with 10-year old technology.
"And I don't wish that girl any bad luck," he said, "but I hope she gets hit with a car."
- Tommy Lasorda