As webwit pointed out, the Model M to clicky ALPS is a pretty easy transition (at least it was in my case). If you don't really pay too much attention to the feel, they almost feel like lighter BS but a little less refined. My clicky Alps 'board (Northgate) was NIB, so I am not sure how they age over the long haul (I only used mine for about 6 months), but it was pretty nice. They have a higher-pitched click than BS but nothing like blue Cherrys, and depending on the case materials, they can be very loud.