Here is a set of slides from a presenation by a Yahoo! engineer about their switch to using PHP for their development - Cool stuff - with some very nice benchmarks.
Male (to hold off the assumptions), currently in Chicago, IL.
I am active on many other forums and sites around the Internet. If I am online, feel free to Skype me. You are also welcome to connect with me on Omidyar Networks on LinkedIn or Ryze.com and my blog on Ecademy or see more about me at MeshForum or my corporate site, JigZaw . I also maintain piecing IT together, as my corporate blog for JigZaw Inc.