I have the Jett on the tandem and the Ruby on my single road bike.

I appreciate the Jett's extra padding because even though the tandem has a suspension seatpost because I sit right over the rear wheel, I feel everything.

My road bike came with the Ruby saddle so I decided to give it a go. It's great, just enough padding and I adapted to it really well. I wouldn't however put it on the tandem.

I would choose the saddle that fits the "ride" of the bike. If you are coming from a very soft saddle, yes the Ruby will take a bit of getting used to.