What I'd like to see someday is a heavy APC-style WiGE. Which we have SOME examples of WiGEs that can carry troops on board (Hiryo), it doesn't carry a large load. And while there's larger examples like the Ryu, a support WiGE is a little concerning to run too close to a combat zone- if the idea is to drop battle armor off into a combat situation, it needs to be pretty much into the fray, otherwise what's the point? A Ryu is a bit vulnerable for the job.
So what I'd like to see is a 'normal' sized WiGE that basically does the Shun's job- a 12-ton infantry bay, only the most simple of defensive weapons, able to dash in and drop off its troops and get the hell out of there immediately without bells and whistles. The ability to take a few hits is nice, but since a WiGE (like most vehicles) die from motive hits rather than being cored out it doesn't have to be anything wild and crazy.