I would have to agree with you. Engines are so finely tuned these days that you don't really hear about a break-in period that much anymore.
That being said, I wouldn't suggest you go out and red-line it during the first 1000 miles. But your normal everyday driving doesn't need to change just because it's new.
As always, check with the manufacturer to make sure they don't recommend something specific for your vehicle, but otherwise, drive it away!
Here's a great article from Popular Mechanics about other myths.
Hope this helps.
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〉 Answered on Aug 26th, 2007 by Lori Johnson, Owner and Instructor at Ladies Start Your Engines