Mythic have announced the min specs for WAR.
More information.
All the info, like supported video cards, can be seen here.PC SYSTEM REQUIREMENTS
For Windows XP
· 2.5 GHz P4 (single core) processor or equivalent
· 1 Gigabyte RAM
· A 128 MB Video Card, with support for Pixel Shader 2.0
· At least 15 GB of hard drive space
For Windows VISTA
· 2.5 GHz P4 processor or equivalent
· 2 Gigabyte RAM
· A 128 MB Video Card, with support for Pixel Shader 2.0
· At least 15 GB of hard drive space
More information.