Also, a great deck with lots of gaffs in it is the Bicycle Blue Gaff Deck that comes with Simon Lovell's Packet Killer (it is also sold separately). It has the gaffs for all the standard packet tricks.
Is there a specific card or gaff you are looking for? Are you talking about card splitting db, df, sf, etc. or gaffing - end, belly, convex, reverse, short, long, corner, etc?