Tim recently posted a question:
I HAVE A DVR CABLEBOX FROM INSIGHT DO HAVE TO BUY CONVERTER BOX
Hello Tim,
Good news, you are already receiving Digital Television. With a DVR box from Insight, you’re receiving a digital signal capable of DTV and HDTV (Depending on the TV you’re using). Source: Insights Digital Cable Page
Let me know if you have any other questions,
Jay