Check out StudioGPU's new software: MachStudio Pro

MachStudio is a new software that allows the CG Artist to interactively manipulate light, shadow, material, AO, HDR, DOF, etc. all in Real-Time!!
It's like photoshop for 3D! It's very cool!

Realtime 3D graphics on your desktop

StudioGPU's flagship software, MachStudio™ Pro, is a real-time 3D technology that complements existing design, modeling and animation software by significantly reducing the time and cost to produce CG images.
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The software's robust feature-set incorporates the latest advances in graphic processing and hardware rendering, giving designers, animators, architects, engineers and any other 3D developer a real-time environment to view their project, explore design choices, prepare presentations, and create animation. This not only gives artists unprecedented flexibility to achieve the best possible results, but also empowers developers with the latest and most powerful visual materials for their sales teams.
Workflow Redefined

MachStudio Pro's power is not only in its technological innovations, but also in its emphasis on seamless workflow and its ability to provide a comprehensive visualization solution that changes the traditional linear process. The software allows 3D artists to view and manipulate environments on the fly.
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Everything from lighting to cameras, materials and textures, can be manipulated and revised while viewed as it will look in a final frame. This gives the artist the flexibility to achieve superior results within a given time frame without endangering production schedules.