Welcome to the "CryENGINE 3 Developers" group . The CryENGINE 3 Developers group is all about creating levels, mod, Total modifications, addon's, machinima videos, Indie games, using Sandbox3 for Crysis or using the free standalone CryENGINE 3 SDK tools.
I started writing the "Solid Tutorial 2.0" explaining the new features for the Solid Tool. Every bsp builder will love the new features:
Crymod.com