From August 1 to September 30, 2012, any OETC member who purchases seven (7) each of any of the following EPSON projector models will receive one (1) back by mail: PowerLite X15 – 2600 Lumens. OETC = $445.00 PowerLite 420 – 2500 Lumens. OETC = $746.00 PowerLite 425W – 2500 Lumens, WXGA Resolution. OETC = …