Hi I wanted to check if the only difference between 222 and 6/722 receivers is the HDD drive. I heard that if I pay $40 external HDD activation fee for the 222[K], then I don't have to pay the monthly $6 DVR fees. Has anyone have any experience with this. I currently have a 622 and my 722 upgrade is supposed to arrive in another week or so. I may decide to go w/ 222K and add my external 750GB HDD.