I have the Alpkit Project. I bought mine in November last year and have used it at least twice a week, every week (including during lockdown as I use it for my board).
I'd recommend the version I have in a heartbeat. I got it for £200 when Alpkit were having a site wide sale, so it was unbeatable value for money wise and their customer service was brilliant (they didn't have any in stock, but I emailed them asking if they'd make one for me, and they did!).
The foam is great and I really like that it has two closed cell layers. It makes it great to land on on uneven surfaces. So far it's holding up well and I haven't noticed it soften that much. It's also very thick, which again makes it very comfy to land on regardless of height.
It's also absolutely flipping massive. It genuinely just won't fit in most cars. It's bigger than any other pad on the market, which is great as long as you can get it to the crag; I've often been able to go out with just the Project where previously I'd have taken two other pads. I wouldn't say it's any heavier than others though.
The carry system is good and comfortable, although I did recently break it and had to sew the straps back on (I'd been strapping two other pads, plus fan, etc. to it, so not that surprising).
HOWEVER....I understand that since I bought mine they've completely changed the carry system. UKC reviewed it recently and were scathing, rightly so. I can only guess that they needed to cut costs, as it sounds like the new version is a total pain to lug around (apparently the straps just fall off at times and are only secured with velcro centrally, which comes off as soon as you try to carry anything else in it). Have a look at the UKC review.
Hope that helps.
