There all powered by gcvideo code so they are all pretty much the same at the moment.
For plug in adapters, my opinion is Badassconsole > IBCTEK GCPlug > Eon GCHD > ZXP PnP 3.0. Badassconsole and GCHD has a molded plug which is superior to the 3D printed ones from the other two. Badassconsole...