Thank you for your reply's. After doing more research and a call to Mitsubishi...Your right the 'Promise Module' is used to get OTA Broadcasts. Since cable company has the HD boxes I don't need it. Thanks Again!
I just purchased the Mitsubishi WT-42311 from Best Buy at a decent discount and on the spur of the moment. Since this is last years model and it was the floor display I got it for under a $1000. I did purchase the 4 year service plan with this so I feel kinda safe purchasing the floor model. Now...