For those interested in advanced video and audio editing (stuff you'd never need for this hobby), DV magazine has some nifty information in their magazine (though never take it as 100% gospel, they have been off-base about stuff in the past).
Free subscription:
http://dv.com/freeyear
Be sure to use an extra anonymous e-mail account where they can send your spam. You just want the magazine not a ton of spam.