The Vista Premium Ready program indicates that the hardware can run the full version of Windows, which includes the new Aero User Interface with advanced graphics such as semi transparent Windows and 3D application switching. In addition, this version will have improved security, enhanced search and management capabilities This version requires additional memory and a more advanced graphics card in the PC, hence the premium.
Most of today's PCs would be capable of running the basic version of Windows Vista, but would require a hardware upgrade to run the premium version, which enterprises setups may not be interested considering. The company is trying hard to promote the new Windows Vista and says that it will form the foundation of Windows versions for the next 10 years.
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Its verr good 
