... I was looking into Comcast to see if I could get a good deal. I called, and the prices are outrageous after the first 12 months compared to what I have now. I didn't realize I would have to purchase a modem with it either until you pointed it out. Right now, I don't really have a DSL "modem", but rather this tiny beige box on the wall that connects right to my router through ethernet. It's actually pretty good visually, as far as clutter is concerned.
But, again, I'm not really sure why someone would want to pay more for cable internet, considering the new modem, bandwidth limit, slightly higher chance of your privacy leaking to others in your area, etc. I am on the internet about 4-5 hours a day for entertainment (when I was taking school online, it was even more), and have really found no need to upgrade. I just figured that if cable internet was the same price as DSL or maybe slightly higher I would go for it, but it's actually double what I'm paying for right now!