add 'FavoriteContacts' to your NC!
just bought this and it looks pretty sweet!
‘FavoriteContacts’ Adds Your Favorites to Notification Center
The latest tweak, is called FavoriteContacts, and as one might imagine, it pulls in all of your favorites from your Phone app. Doing so, allows you to initiate a call, text, or email right from the convenience of iOS 5′s Notification Center.