If you missed Operation Darkness for the 360 at Best Buy, Newegg.com now has it for the same price with free shipping!
http://www.newegg.com/Product/Produc...G1B-_-74120002
They also have Zoids Assault, which I know nothing about, except it is also a Atlus product for the 360 for $9.99 with free shipping.
Enjoy!
Rich