Head on over to http://www.writinghighperf.net to read a sample chapter of Writing High-Performance .NET Code, 2nd Edition. The sample PDF also includes some of the front and back material to give you a taste for the rest of the book.
I was recently on .NET Rocks!. Carl and Richard were great. Go here to listen to us discuss a bunch of perf stuff.
I was recently interviewed by the wonderful Bryan Hogan for his No Dogma podcast. Check out the episode here. If you want to subscribe, which you should, podcast feed is here. You can follow Bryan or myself on Twitter.
Check it out! We had a great discussion about performance, Bing, Azure, and more.