"The job was completed and i'm a very very happy customer. A pleasure to do business with you. Once again, thank you."
"I am just so glad that I selected your services and not someone else, because I am almost positive that I would not have received the kind of assistance/service that I did with you with anyone else."
"I am delighted with the service which you have given me. The PC is working perfectly now, including all the peripheral equipment."
"I have had an exceptional response from two of your support staff and I want you to know how much I appreciated their helpful attitude."