Yes Brian, I had cause to use just one SE3 when an EL34 went down and although it just about got a tune out of my ML 89db`s and my standmount Focals fared better, but putting the other one back in was like `Shazzam`! I`m waxing lyrical of course ( who doesn`t here

) but thats what having the pair back in action again was like.. More `crisp` may be a better description. Wider soundstage as well. If you run high efficiency speakers then one SE3 may rock your boat.
Anyway, I`m all set now. I had the CSP2+ and ZP3 fitted with Jupiter caps and which has given me a more organic flow and even more definition to those `down in the mix` details at the edges of the s/stage. Theres also something beginning to bloom at the extremities, not quite surround sound but a sort of atmosphere that promises I`m on the right track.
Great pic Miller88. Beautiful rig, turntable looks bizzy.