We have had Samsung machines through Tandem in School now for 2 months. I was initially very wary about entering any sort of contract with a company with no apparent track record in Schools but was able to add 'riders' to the contract to ensure that school was protected in the event that things were not as they seemed. Contract price was significantly cheaper than anyone which always sounds alarm bells but so far the machines have been good and the service has been fine. We have had one or two teething problems but these have been quickly rectified and they are quick to get staff out on site or help via telephone. Incentives have been promised and will let you know as soon as they appear but Tandem have already helped us out in another unrelated area and seem keen to build the relationship.