Which Conference?

I'm in the process of creating my budget for 2008 and I was hoping to solicit some advice and opinions from my readers. I essentially have 2 questions:

1) Aside from the obvious opportunities for socializing, is attending an Enterprise Architecture conference valuable?

2) If it is valuable, which one to attend?

What I'm looking for is a conference with good case studies, in-the-trenches anecdotes and enough visionaries to give me some idea of what I'll be up against over the next 5 years. A good balance of business and technology would also be good.