Simone and Ronnie +1...

Here is my analysis for those of us running an 861 V4.25 + HD HD621 + analog speakers:

1. I would like *NOT* to have to get all of the OE14, IE44 and IA04 cards because for my purposes - again, because I am running analog speakers - the OE14 card is of no use and the IA04 card may/ may not be of use (i.e. only the IE44 is on the MUST have list) depending on whether or not I need/want the additional inputs. Of course, all of this would be moot were all the cards needed for apodizing purposes.

2. And, as noted above, what are the differences between the OA08/OA18 and the OA03/OA13 ?

All of this, along with the upgrade price, would, of course, be good to know.
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Audio: Triad Monitor Golds, Surround Golds, Silver Subwoofers; Procella P-18 Subwoofer; QSC DCA 16622s, 1644, 3422, BASIS 922uz; ADA MACH IV B
Other: APC S-15s; Crestron
Sources and Video: Ran out of characters .....................