I've never even heard of them. There's been dozens of posts about speakers that work well in close proximity to a rear wall. I'm sure you could dig some of them up. Of course rear ported speakers are out of the question so you can start there. I use Harbeth C7es3's and they're fairly close to the rear wall. I've always preferred front ported monitors.
Why are Kitty Kat Revelators so invisible?
I have posted frequently about near-wall specific speakers, designed expressly for this purpose and always get someone mentioning that they have read about North Creek Kitty Kats, and an occasional Agoner will say that they heard them at an audio show. That's about it. Google reveals almost nothing, the website hasn't been updated for years and There are no reviews. I am really keen to try them as the only other real option are the Sjofn speakers and maybe the British monitors; I don't think the Von Schweikert VR1 is designed this way. Any comments or other suggestions? Budget $2,000. All the British speakers like Linn, Rega are apparently ok but not specifically designed for near wall use.