Digital Conversion

One year ago, Comcast said those who already have cable hooked to their T.V's would not be affected by the Digital Transition. Well a year later and they say I do. Just installed 2 new boxes (little ones), not like the main cable box we already have. Comcast provided 2 for free for my extra T.V.'s. I could get more but it would cost me. Now I plugged them in, called Comcast to activate. Not working, called again, spent 1 hour and boxes still not working. Now I have to go down to their office and get 2 new boxes. What an inconvenience. Not happy with Comcast today....