Lies, damn lies and statistics ...
Weta Digital Ltd, a New Zealand-based animation company, renowned for the visual effects of “The Lord of the Rings” and “King Kong” movie blockbusters, implemented HP BL2x220c systems to create a high-performance platform that would increase processing density and reduce energy consumption. The system, consisting of four clusters equipped with 156 BL2x220c server blades each, ranks 219 through 222 on the current TOP500 list.
Source: http://finchannel.com/index.php?option=com_content&task=view&id=15203&Itemid=10