Will do, waveland.
Tonight I'll do some monoviewing through the binoviewer using my orthos and plossls to figure out what focal length pair would be best to get. I get quite a good range of magnifications with just one pair of EPs using the 1.9x OCA (optical corrector lens, used to allow the BV to reach focus in a Newt), 2" 2x barlow which gives about 2.7x with the extended optical path, and the combination of the two at about 5x; although the barlow + OCA + prisms + EP is a hell of a lot of glass. I was surprised to see anything at all through it, but it does work! Saturn looks like a huge balloon with great big hulahoops!
(but clouds defeated me by the time I started playing with super high binoviewed mags)