Pretty good stuff - love ours.
NFC:
http://espn.go.com/espn/playbook/story/_/id/8602388/kurt-snibbe-reimagined-midseason-nfl-logos-featuring-nfc
AFC:
http://espn.go.com/espn/playbook/story/_/id/8602390/kurt-snibbe-reimagined-midseason-nfl-logos-featuring-afc