If you use Twitter, then by now you’ve heard the micro-blogging, social networking site is rolling out an all-new interface. And if you’re one of the cool kids, they’ve offered you the opportunity to try it out early before they introduce it site-wide. I’ve been given preview privileges on both my blog (@podzmedia) and personal (@kellypodz) Twitter accounts. So what’s new other than the bolder logo and slick new look?