One of my best friends uses a centofante and I personally would have bought one if he had not already had one. It's one of the only FRN spydercos that didn't feel really cheap in my hand. And of course, it's a rather beautiful knife. It fits my hand very well. One complaint, however, is that the knife, when closed, is rather long for its blade length.
As with every spyderco I've used, the action was smooth but very sluggish. According to spyderco fans, I seem to just have extraordinarily bad luck with spyderco actions, so your's may not be like that. But for me, it was absolutely impossible to flip the centofante, or any other spyderco, open.
Among the mid range EDC capable spydercos, the centofante and native are my favorites. But probably the centofante.
Oh, and I want an SS ATR too ;-)