I bought this as I needed the quieter switches for the office. They certainly do live up to their name. I'd say Cherry switches are nicer to type on but that's probably just personal preference.
It would be nice if this keyboard came in an ISO layout as I do miss the big enter key. I've gotten used to the ANSI enter key now, I just don't want to.
As for arrow keys, I prefer to have dedicated keys and so I use a macOS app called Karabiner: remapped the bottom right altwinmenuctrl keys to Left, Down, Up, Right (you can't do this with a Pok3r). This, to me, makes this keyboard the ultimate size and layout (minus the ISO enter). DIP switches give you loads of different layout options and spare keys are provided. For example, I've moved the function key to the CapsLock position, and changed the cap to reflect this. A minor bonus but it's nice to have the key have the correct label.
I also lubricated the stabilisers on the spacebarbackspaceshift etc. They initially rattled slightly and this fixed that. This is an issue that affects most Costar stabilisers and only takes a moment to resolve. I bought some grease from Maplin for 5.
Only gripe I have, and it's a small one, is the provided key-puller is rubbish: the Matias keys are more difficult to remove and I ended up snapping the key-puller. Just buy a wire one: if you're into keyboards, there's a high chance you have one of these anyway.
Oh and remember the switches use ALPS style, so you're pretty much stuck with the keycaps that came with the keyboard; you'll struggle to find any custom keycaps that are compatible.
Overall build quality is excellent.