For anyone needing some additional DVR storage, may want to check out Woot.com today (sale runs through 1/31 or until sold out)
Western Digital My Passport Ultra 2TB USB 3.0 Portable Hard Drive
http://computers.woot.com/offers/wd-my-passport-ultra-2tb-usb-3-0-hds-5?ref=cp_cnt_wp_6_1