If you are like me, who could never attend a pdc in your life :), but also curious about the new stuff before even they are released, this is the event for you. It is kinda like pdc, but FREE :)
You will find interesting topics such as C# 4.0, Silverlight from a well known speakers, and it is at IRVINE :)
check it out: http://www.msdnevents.com/orangecounty/