Update:

>> Well someone else obviously thinks PowerPC is still useful:
>> http://www.eetimes.com/electronics-news/4399118/Startup-plugs-Power-chips-into-energy-efficient-servers

> I found an Oracle blog article from a month ago stating:
> "The first system I'd like to tell you about is a really cool 8 core Power Architecture
> Hyper-Efficient Enterprise Server from a company in Dallas called Servergy."

Seems that Servergy has another platform in the works called P-Cubed with a yet unnamed "Dual Core Power System on Chip (SOC)":

http://www.servergy.com/wp-content/uploads/2012/12/P-Cubed.jpg
http://www.linux.com/images/stories/714/P-Cubed.jpg
http://www.linux.com/news/enterprise/high-performance/147-high-performance/659106-servergy-announces-linux-on-power-enterprise-development-platform
http://www.servergy.com/news.html

What can be seen from the board layout is that at least GbE, USB and HDMI come from the SoC itself.