I'll second the recommendation for Octane. It has regular columns by Jay Leno, Carol Shelby and Nick Mason (and sometimes by his wife, who is a pretty good writer in her own right). Really top-notch.
I like the Hemmings Sports and Exotics when it comes out (haven't seen one for a while, so it's probably been canned too). There are a couple of other Britich Clsaaic car mags that are OK as well. The Brits really like their classics so they have lots of good Mags.
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