Sometimes I worry that I sound like a broken record repeating the phrases Open Source, open standards, and virtualization over and over again like an obsessive parrot. I refuse to stray away from what I believe are some of the most important considerations for your IT decisions. However, one thing I think I may not mention quite enough is coexistence. In the last year I've been preaching about keeping your options open. Maybe I've spent a little too much time on my soapbox so let me step back and explain myself a little better.