All we had to do was purchase the software and several licenses and see how we liked it. We could do the implementation ourselves, at our pace. Overall, xTuple gave us alternatives that no other vendor could.
People often discover xTuple by doing a google search for "Quickbooks Alternative". It's interesting how few choices there are for companies who've outgrown entry level accounting packages like Quickbooks or Peachtree but don't have (or want) to spend $50,000-$150,000 on solutions like Microsoft Dynamics, Sage or Epicore.