A Different VistA for the NHS?

I've written quite a lot about Microsoft's ill-fated Vista in Open Enterprise, but nothing so far about another VistA:

Electronic Health Record systems (EHR) are essential to improving health quality and managing health care delivery, whether in a large health system, hospital, or primary care clinic. The U.S. Department of Veterans Affairs (VA) has developed and continues to maintain a robust EHR known as VistA - the Veterans Health Information Systems and Technology Architecture. This system was designed and developed to support a high-quality medical care environment for the military veterans in the United States. The VistA system is in production today at hundreds of VA medical centers and outpatient clinics across the country....

On Open Enterprise blog.