The following is worth a read:
» IT Commandments: Ignore them at your own risk | Between the Lines | ZDNet.com
I was a little surprised at the heavy Open Source leaning. The rest of the IT industry is catching up to us. (Well, the punditry has, anyway.)
And, I'd re-draft Commandment 3 as "Thou shalt not allow bean counters to stand in the way of customer service."