A new Sci-Fi First-Person Shooter game will be released on August 2009 by SouthPeak Games called Section 8. It will look like a mixture of Battlefield, Tribes, and Halo. The cool thing is that you can heavely customize your soldier.
You can change the weapons ,equipment (grenades knives), to shield plating and stealth capabilities. The purpose is to customize your character to fits with your play style.

Section 8 unofficial System Requirements:
*CPU: Core 2 Duo 2.2GHz processor family/Athlon 64 X2 4400+ (required for MP host)
*GPU: Fully DX9-compliant graphics card with 512MB (SM 3.0). NVidia 8600 GTS or ATI HD 2900 XT.
*Ram: 1.5GB
*Hard Drive: 12GB
*OS: Windows XP SP3/Vista SP1
*DirectX: 9.0c
*Sound: DX9.0c compliant
*Optical drive: DVD (boxed only) boxed