If your TiVo-loving heart was crushed last week when we found out that its new Premiere Q DVR would only be offered by cable companies with no plans for retail sales, allow us to put the pieces back together. Zatz Not Funny has dug up an FCC filing dated June 7th indicating TiVo will bring the quad tuner Premiere Elite DVR to retail with 2TB of hard drive space for up to 300 hours of HD recording. The purpose of the filing? To get the FCC to waive requirements that the Elite -- which is designed for digital cable reception only -- cont