looks to be flooded with brands at the moment Jon-Paul, some are display brands, projector brands, IWB brands, low cost imports. If you can get demo samples, get on well with the supplier and direct contact to the manufacturer it's worth it's weight.
for the screens to last many years, not just long warranties and free service upgrades; but connectivity, OS support (Mac OS, Chromebook, Linux etc), Software licencing and added features you many not think you will miss today could be essential soon.