Digital to Analog Converter Needed have: tivo series2 dvr w/single analog tuner and a digital cable signal from wall connected to the back of tivo series2 service: time warner cable objective: keep my tivo series2, convert digital signals from the wall to analog so i can watch channels 29-99 on tivo series2 dvr box issue: tivo series2 dvr box does not display digital signals channels 29-99. it sees and recognizes them but won't display the content. time warner offers a tuner box w/remote they call a converter (wtf???) which i do not need. i need a digital to analog converter!!! need: 3rd party digital to analog converter box/device any suggestions?? ideas? links?