I found this via C/Net and it's written by Jim Dalrymple. It's all about a Mac application that is the storefront for an online store that sells Mac computer apps similar to how Apple does with the iPhone. I really like their visual approach as opposed to VersionTracker's text approach. I sure hope this takes off.

IDFusion offers app store for the Macs
"It is better to light one candle than to curse the darkness."