The Den Series will be the center of the household. This series features a built in DVR with over 100 hours of recording on each system with a dual turner. These systems are also full computers capable of high powered gaming and multimedia. They each spotlight SLI technology and Nvidia graphic cards with HDTV outputs and inputs along with dual tuner Hauppauge video capture cards for the seamless TV recording and watching. Also each system comes with a 7.1 Dolby Digital Sound capabilities for the theater buff to show off their Blu-ray HD player which come on each system.