The new TiVo Premiere featuring an upgraded 500GB hard drive (65 percent more storage than the old 320GB unit) that we spotted this morning is official, and will start shipping March 25th -- but that's not it. As we also noted, it only requires a one year service agreement at $14.99 per month or $12.99 for users with multiple boxes, which is cheaper than last year's $19.99 / month package (Lifetime Service is still available as well). If you need more hard drive space, THX Certification or
