They feel terribly mushy, and are quite fatiguing, if you instinctively bottom out on them.
The trick is to allow the instructive force curve to teach you when to release the switch. It's the only switch I've ever used where I've been able to learn to not bottom out on them.
It's an intriguing and somewhat hit-and-miss design. Our apprentice is very happy with my MX Clears board now, so now I should really buy another. I really fancied a Code keyboard, but since Cherry don't make a lot of clear switches, the waiting time is slated to be another year! WTF Cherry? : P
Incidentally, the Code page has a switch poll, of Blue, Brown, Red and Black, but not any other options (e.g. Clear, Green, Tactile Grey etc) which sucks.