BitPay is the established leader in Bitcoin business payments systems, and they have generated quite a Rolodex of clients over the last two years in the process. Microsoft, The American Red Cross and PayPal have worked with BitPay to join the Bitcoin revolution. They accept multiple currencies, doing business in over 30 countries worldwide, and new technologies like one-tap payments at point of sale also enhance their appeal to retail merchants.
Most merchants start with their Free and Unlimited Plan, which includes unlimited transactions, instant conversion from BTC to USD and daily bank deposits. Merchants also receive retail POS solutions, eCommerce integrations, email support, no transaction fees, and access to all of BitPay’s plugins, APIs, and apps as part of the plan.
http://cointelegraph.com/news/115121/5-easy-ways-to-bring-bitcoin-and-your-business-together
I noticed the mention of bitpay and coinbase, and then the implication that coinbase was the one that allowed merchants to lock in a USD price. I thought this guy was better informed than that: Evander Smart