One thing with A La Carte is that it will potentially lower the bills for some. But it would also eliminate several good channels and the programming we enjoy. For example if only the people who watch ESPN want to keep ESPN, to keep the programming they have it would cost those subscribers 30 bucks a month. Most people would not pay 30 bucks a month for ESPN so what they'd offer would falter and then all of the sudden they'd be dropping off MNF, soccer coverage, baseball, etc. because they can't afford it. Same thing with local sports channels (Fox Sports, Comcast Sportsnet, etc.)
A guestimate on if the cost of the factor of 5 (meaning one in five people subscribe subscribe to them at cost, which probably isn't true) your cable only bill for the top 10 channels would be about 78 a month.
If you want to lower your cable bill petition your government for fair competition. Not A La Carte. A La Carte is bad for the consumer and bad for many TV networks we enjoy. Only people who'll benefit (though not as well) are the cable providers.