answer for the first question is no.Because these two sats are wide apart. You can get signals from four sats to one receiver by using a diseq switch. it cost around 15 bucks.
Dishnet work will start moving arab program channels from 121w to 61.5w and 148w STARTING tomorrow.I read from other site all the locals will be on 110 and 119. All the internationals to 61.5 and 148. 105w will be moving soon. Some says by April there is no need for superdish. Hold on to your money and see what goes on until end of next month.