Rebel Minis have released three 15mm sci-fi Cybernetic Autonomous Trooper figures.
From their website:
Rebel Minis is proud to present the Wild CATs and Tom Cats. These CATs (Cybernetic Autonomous Troopers)are designed as Tank Busters and Heavy Mecha Assault and Infantry. Perfect for Urban and Planetary missions. Sculpted by John Bear Ross, these highly detailed models are a must for any Sci-Fi gamer. You get two Models Per Package and 2 Sprue sets for a wide range of combinations and custom builds. Painted By Jeff Race.
Check out their website for more photos and images of the 3D sculpts.