Heroes was pretty good. Prison Break is enjoyable and House is a good watch. Smallville, Lost and 24 make it for TV for me though. Those shows are great.
24 is better, but almost ticked me off with a soap opera style car wreck, daughter miraculously jumps clear and the wife wandering around with amnesia. Other than that, it's been good so far.
I can't believe that part of the storyline in Heroes is that these people are in a comic book, that the characters themselves discover, and that that fact is integral to the story. Insanity. They should have just played it straight-- normal people who have superpowers because of some connection they all share (I really love that the indestructable cheerleader's Dad is one of the chief bad guys) and explored what the connection is and how these people eventually come together as a unit to stop something terrible from happening.