A frequently requested feature by our customers is to increase our number of payment methods. The most frequently requested methods are Bitcoin and Paypal support.
We have been listening.
We will be adding Bitcoin, Paypal and Dwolla (a cheaper paypal alternative) support in the coming days.
Due to legal hurdles regarding corporate registration and paperwork, Paypal and Dwolla support will take a few weeks from today to be added. Bitcoin support should be available within 24-hours.
There will pages related to the process of paying with alternative payment systems on the site soon. We will be placing them on the sign up page.
Edit: The Bitcoin policies page is here.