Isn't this available in the header next to the widgets selection area? I typically always have it set to normal even though I never use the widgets because it really easily allows me to know my local and normal axis. Instead, when in normal mode I use g+z+z to grab along the normal's axis. This should work with the above…
I've included some UV stuff here as well since it's definitely relevant to game art. My beef tends to be more with inconsistencies in the design. Also, the majority of these should be fairly easy to implement. Also, I compiled a lot of this list a while ago, so some of these things may have changed since then. Blender…