Or a Bluetooth one for greater versatility, ideally in a nice case for portability.
Bonus points if it nicely packages a screen, few buttons, and some of the most comon radio chips I often want to interface too.
You mean like one of these [0]? It has GPIO pins, Bluetooth LE, a nice case, a screen, a few buttons, a bunch of common radio chips, and apparently a virtual dolphin for some reason.