Just passed by a shop that had a selection of Casio G-Shocks. I had a look at the negative display Rally Mudman. I had the regular Rally Mudman on my wrist, so I could easily compare the two.
I have to say I would never go for it. I could read it very clearly when looking directly at it but as soon as you look slightly from the sides, away go the numbers... Also, the glare from the lights around me seemed to bother the negative display a lot more than my regular one.
This is supposed to be the new generation of negative displays right? Well, they still don't impress me. Fair enough, the numbers are very crisp when looking straight at it, but change the angle and they are no longer readable "at a glance".
Just my impression...