After a long wait, the TiVo Series3 DVR is finally out. Sure, the new model supports recording two coveted HD sources at one time, and still offers most of the features we loved from the Series 2 (though TiVoToGo is gone for now). But, an $800 price tag might be steep for mainstream buyers and competition is afoot. Our hyperfuturistic 4d graph breaks the Series 3 down against the DISH ViP622. Unfortunately, consumers have to choose more between cable and satellite in this matchup than between DVRs, as neither box supports its counterpart..