Cube Audio FC8 - has anyone built with these?

I'm planning a new build and going the route of full range drivers. Not sure if the new speakers will be OB or in a box. I was very interested in Lii at first, but in looking and reading I came across the Cube Audio drivers, especially the FC8 which is their least expensive offering. They look the part and reviews of their finished speakers are all very good. Has anyone used the FC8? I'd love to hear any impressions. I have a feeling even their cheapest driver will outrun the best Lii has to offer.
 
Thanks for responding Nelson, that's enough to fortify my leanings in the Cube direction. I'm waiting to hear back from the folks at Cube, looking at the damping of their drivers it looks like they really aren't suitable for OB implementation, but they may say different based on experieice. If they're not, I'll have to either use the FC8 in a TL or a Voigt enclosure, or maybe even better a backloaded horn, but designing that is a bit above my pay grade. At least with boxes I'll still be able to use my REL, which I understand isn't the greatest idea to mix with open baffles.
Open to any ideas!
 
Have had the Fast-8 and othe F8 Neo in the SLOB with the 6/24 crossover and two amp camp amps. Either way you are in for a treat. I am interested in the lii silver-8, has anyone had experience with that in the slob?
Did you feel the Neo was a better driver in any way? Looks like it should be but I’ve been deceived by looks plenty of times! The Silver-8 is probably the most likely candidate for me, but Cube’s Magus looks awfully impressive from what I’m reading. I’m going to go check out the slob, thanks for the heads up guys.
 
I found those files. Not an easy task (see warehouse pic)

Here's 3 images for you.

:snail:
 

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Thank you Nelson! Had a good look and read about the slob tonight, if I go OB that's the one, love the low profile and the way the woofer loads. The only thing holding me back is the need for more amplification unless I use a passive xover, and the whole gist of this go around is to go direct as possible from a smallish SET amp To the driver. I'm looking at a single driver in a folded Voigt design provided by Cube Audio, or Steve Deckert's HDT. BUT, the great thing about this slob design is I could whip off a pair in literally 2 hours (I'm a woodworker) and try it out. Even if I end up loving one of those boxes, it's the OB thing that really inspired me in the first place.