If you have both Mpeg 2 and 4 eqiup. you don`t need to upgrade your receiver If you have a 2 dish solution ie. 61.5 ,110 w, 119w you have the 61.5 sat dish replaced with the 1000.4 but you stilll have to sign the 2 yr. You can cancell your current account if your prev. contract has exp'd. and...