Geeky Wallets

• http://www.ebags.com/dopp/regatta_88_series_front_getaway_pocket/product_detail/index.cfm?modelid=9892 - Small, practical
• http://www.difrwear.com/products.shtml - RFID blocking wallets and passport cases (see also this, this or this)
• http://www.thejimi.com/ - Small & plastic
• http://www.specopsbrand.com/ProductDetails.asp?ProductID=10# - Big, holds everything
• http://koyono.com/products/view_slimmy/specs.html# - super slim