Tech Pulse 20071018: Amazon.com DRM-free MP3s, eBay Hacked, Zune Adds Podcast Support, and more!

Lots of news including the Amazon.com DRM-free MP3 store, eBay hack led to stolen credit card info, iPhones unlocked then bricked then unlocked again, Zune adds podcast support, Bungie might split from Microsoft, Mac OS X Leopard is coming, and more!