http://www.ikmultimedia.com/products/cat-view.php?C=family-custom-shop
In this video, learn how to use IK's Custom Shop to try, buy, or restore gear for AmpliTube and T-RackS (and you can even buy sound libraries for SampleTank in Custom Shop).
Learn how to buy and use Gear Credits which can also help you save a lot on your Custom Shop purchases. Don't forget to use your JamPoints when purchasing Gear Credits to be an even smarter shopper!