With this service, you can pay your bills with Bitcoins. You don't have to transfer your Bitcoins to mt.gox and risk getting dos'd. No waiting for the withdrawal to dwolla to get your funds, and no waiting for dwolla to send your funds to the bank. We take care of it directly.
Not to mention the tax savings of paying for a service instead of cashing out.
tax? you can pick up the money in cash.