Hi, we are getting close to launching our app that connects Shopify with Xero. We can create invoices in Xero based off of PO and just about finished with Shopify transactions and posting payments and refunds to Xero. We are looking for some early adopters to sign up for our service and work with us to improve our product and service offering as we add more capabilities to this Shopify/Xero integration. Please contact me if you are interested. The subscription would be nominal for your valuable feedback.