All bitcoin payments are handled via BitPay service.
|BitPay Screenshot (QR code removed)|
Above is an example of topping up your account by $10.60, that will cost you 0.0137BTC as time of writing this article. So enjoy this new way of digital online payments! If you are unfamiliar of bitcoins as currency, check the info on links below.
Bitcoin.org everything about bitcoins
MtGox.com market charts, BTC<>USD etc.
Blockchain.info get your own bitcoin wallet