I don't have cable, but I occasionally do get the urge to watch TV. Which is where youtube.com makes itself useful to me. 
Like Tivo, youtube allows you to time-shift your viewing habit, but it also serves up audience ranked videos with zero delay.
Examples of amazing vids:
- Messi's goal against Croatia last week (check out his positioning, once to intercept, another when he scores, striking when the goalie is blinded by his fullback!)
 - a compilation of Djalminha's soccer for his retirement in 2005.
 - David Elsewhere's robot (3rd on stage)
 - more parkour
 - banned xbox ad
 - professional ping pong is a martial art
 - Billy Marks skatin
 - and tons of anime