I just thought I'd share for those of you with a large amount of card. Here's a perfect solution for you. I don't know how many people are interested in this, but Swyp opened up orders for Batch 2 of their SWYP card. I've waited since May for this to open up!
Some of the benefits (from their website):
Storage of all your credit, debit, gifty and loyalty cards
Bank grade security - encryption and PIN access
Pedictive learning - Intelligent algorithym predicts which card you are likely to use
Futureproof - Made of metal and designed to be ready for new payment technologies.
Track and categorize transactions with ability to attach receipts
Share gift cards with other SWYP users.