JBR here with great news.
The Animech Kickstarter pledges have been fulfilled, and the Animechs are now available to the general public in the main Rebel Minis webstore.
Here's the link.
a weapons and turrets pack that's also compatible with all current (and future) RUMV accessories.
PS for instructions on how to put these beauties together, here's the...
WolfMech Assembly Guide
...and the ScorpionMech Assembly Guide, which also applies to the SpiderMech for putting all those legs on.