Carbon bottle cages (please stick to the question....)

Has anyone tried any of these and have anything good or bad to say (please no comments about "my cast iron cage cost 99p and only weighs 4g more, you may as well just tip a bit of water out...."). The Tune are the interesting ones but there is next to nothing out there on them.
Tune WASSERTRÄGER 2.0
£35 (with a bottle) / 10g
http://www.tune.de/en/produkt/bottle-holder-and-bottle/wassertraeger-2-0
Focus 2015 Carbon Bottle Cage (they're going on a black & red Izalco Max)
£30 / 25g
https://www.focusbikewear.com/gb/carbon-bottle-cage
Bontrager RXXXL Carbon Bottle Cage
£25 / 19g
http://www.bontrager.com/model/09840
Elite Leggero Carbon Fibre Bottle Cage
£38 / 15g
http://www.elite-it.com/en/products/bottle-cages/carbon/leggero-carbon
Tune WASSERTRÄGER 2.0
£35 (with a bottle) / 10g
http://www.tune.de/en/produkt/bottle-holder-and-bottle/wassertraeger-2-0
Focus 2015 Carbon Bottle Cage (they're going on a black & red Izalco Max)
£30 / 25g
https://www.focusbikewear.com/gb/carbon-bottle-cage
Bontrager RXXXL Carbon Bottle Cage
£25 / 19g
http://www.bontrager.com/model/09840
Elite Leggero Carbon Fibre Bottle Cage
£38 / 15g
http://www.elite-it.com/en/products/bottle-cages/carbon/leggero-carbon
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Bianchi Oltre XR Sram Red E-tap, Fulcrum racing speed xlr
De Rosa SK pininfarina disc
S Works Tarmac e-tap 2017
Rose pro sl disc
Thanks for that. Have you got the white or black one and is the black matte or gloss? It's listed as matte but the stock photos look really glossy (not sure when I became such a tart).
Bianchi Oltre XR Sram Red E-tap, Fulcrum racing speed xlr
De Rosa SK pininfarina disc
S Works Tarmac e-tap 2017
Rose pro sl disc
I bought two when they were on offer from somewhere - for around £16 each, and they are lovely and light, and hold my camelbaks perfectly well.
Not as tight as Elite ones on another bike, but I've never had any bottle movement in them at all, so can only conclude a deathlike grip is not required.
Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18
Its a shame they have white writing on too if you have a stealth bike.
I was never that keen on carbon cages, but after getting the white ones cheap I was converted, and now bought the black ones for new bike.
I don't really like Bontrager stuff, and the black ones do not look quite as good on the respective bike as the white ones do, but they are just super light and lovely to use.
I cannot use Camelbaks anymore (as the lip at the top is very deep and wide), but its still worth it.
SIS bottles just go in and out so well! Its sad, but it genuinely adds to my enjoyment on a ride.
It might be the huge lip that makes them feel good to use. All the others seem to have the standard smaller retention lip.
http://www.wiggle.co.uk/arundel-mandible-carbon-bottle-cage/
This is what people go to after their Elite cages start launching Camelbaks
I've used them on a couple of bikes and am not keen. They're far too tight. A lot of people love them so maybe just me though.
I just black out the PX lettering on my Focus....
I suppose I can't really see me going for the Focus ones just to match the bike but the Elite and the Tune sound like good options. Just wary there must be a catch with the 10g Tune ones! 10g!
Currently £15.