Apple's New Cat Has Sharp Claws

If Andy Ihnatko's "What's Leopard really worth?" quantifies in cash terms how much the individual pieces in Leopard is worth and the likes of Mossberg: Faster, Easier than Vista, Pogue's Apple Offers New Goodies in Leopard System and Snell's Leopard Macworld Review and others across the web what Leopard is for the masses, then Ars Techica's John Siracusa's Mac OS X 10.5 Leopard: The Ars Technica Review is for those who want to know how sexy Apple's new kitty cat purrs under the hood.