Every once and awhile you find a site like this.  One that you wish you've had all along  One that once seen, you know you will love forever. 

Ben Pieratt and Eric Jacobsen both deserve a big round of applause for creating this baby. You can navigate covers via Author, Designer, Illustrator (etc...)...but even the fonts used in the design.  Now thats some good thinking. Not to mention a new waste of time for me.

Check it out.