Cascading vs. Parallel for >1 Multiswitch

I have the 3 lnb oval dish but want to be future-proof when Austin gets the MPEG locals and I change out my current dish. I currently have a Zinwell WB68 multiswitch and just ordered another one that I will cascade with the current one to give me 12 outputs. I need 11 right now, but that could change in the future.


There is about a 25 foot run from my dish to my attic where the 2 Zinwell WB68's will reside and then the greatest distance to any of my direcTV receivers is around 30 ft.


I've read a little about using a wide-band satellite splitter to take the 4 outs from my dish into the inputs for each of the WB68's which would give me 16 outputs instead of the 12 I get with cascading. There seems to be splitters that have one port powered and others that have all ports powered. I am guessing I would need one of the the ones that have all ports powered -- is that correct? I was looking at the Eagle Aspen P-6102-AP -- would that work in my setup or should I consider another splitter?


thanks,


Murray