I actually use a UC-Logic tablet, and yea it has two buttons on the side which I have mapped to MMB and RMB, but they can be a bit finicky with the amount of pressure needed to register a click. But even when I used Wacom never found it that comfortable. At the very least, seems Pixologic agrees with me :p
@Dataday Yea the Pixologic guys certainly had a unique vision for ZBrush when it was first being designed. It's a shame that 2.5D didn't really start to take off for games until Naughtydog artists started showing it off in their texture work (and now everyone just uses Substance Designer instead). Anyhow...your last two…
Have you tried getting a different UC-Logic pens? A lot of non-wacom stuff can feel a bit like knockoffs from china, so the quality isnt exactly top notch. Regarding Pixologic, they are their own unique beast. Being local I have the pleasure of knowing a few of their staff. One of the inspirations for their design choice…