You can also get a roku box. That has a bunch of internet channels on it.
I think there down to 50 to 60 now. Some of the channels are free but some you have to pay per month it will tell you.
Roku does have a lot of free channels, but almost all of the top and current tv shows require a subscription to another service, like Netflix, huluplus or
amazon. If you want to watch Petticoat Junction, you're good. If you want to see Quantum Leap, Monk, or Big Bang Theory you need a subscription service. I'm not really into movies, but all the ones I searched for came up with a rental/purchase fee through a service.
Roku is still cheaper than cable/satellite, even with the roku device purchase and the monthly subscription fee.
My biggest complaint is with the streaming services - you can't tell which service offers specific tv shows/seasons until you sign up. I found that neither Netflix or huluplus offered the series that I wanted in total - one didn't have the pilot episodes or first season, another only offered some of the episodes in a given season. It's frustrating if you want to actually follow the story arcs as they were originally written/aired. In fairness, I haven't checked out Amazon as yet - that could be more comprehensive. DH really wants to ditch DirecTV to save money but I'd miss the DVR.
Roku is a different method of watching TV - it's like going through your VHS/DVD collections to find what you want to watch; it's not the same as hitting "Guide" and seeing what's on right now.
Going back to the original post, while Nick, Disney, etc. are great channels, most cities have over-the-air PBS stations that offer better children's programming than the cable channels. Nick is basically the Sponge Bob marathon channel, which I could do without quite easily. You know the shows are overexposed when someone (like me) who doesn't even watch it, knows the dialogue for any random episode.