I don't line dry for the following reasons, in order of most significant to me:
- Takes more time
- Fades colors
- Creates stiff feel
- Rains half the time here
I've got a gas dryer, so my cost to dry is about half of an electric only dryer, and drying times are faster too.
As far as cable boxes go; people should have cut the cord a long time ago. There is plenty of broadcast TV and internet content to couch surf several lifetimes.