start with these CD binder pockets from Office Depot. (They can be found in stores or online here.) They are the perfect size to fit most clear and cling stamps and have a great flap that holds them in place while still being easy to access.
Wonderful color palettes (so you don't have to think too much about making a mistake when you are trying to pick a new look!) .... http://www.myadventureisyouradvantage.com/home/2011/2/10/2011-designer-paint-palettes-bhg.html