HR34 (HMC) can be ordered solo. 2nd receiver is not required. MRV/Whole Home is part of advanced receiver fee for any HD-DVR or HMC ($10/mth includes DVR and MRV if/when needed). CCK (Cinema Connection Kit) is not required, but desireable for Cinema Plus access (via high-speed internet connection) to 7000+ free movies/tv shows. It's also free with HD-DVR or HMC on pending orders for new customers. To modify your order, call 800-531-5000 prior to install (may require reschedule). If tech is already on site, ask him to remove additional receiver with a call to his office or OMG. If necessary, call tel# above to modify/replace order while tech is on site.