From time to time, a really interesting investment comes along that aims to do something a bit different. Africa Invest is just such an investment, focusing on investing in the development of agriculture in rural Malawi and giving the farmers a real opportunity to benefit from western investment. This is probably the best example of 'private equity investment' that I can think of .
The attached article from the Scotsman tells you a bit more about it and featured the comments of Julian Parrott about the Africa Invest project.