We had a chance to test and compare two models: Epson VS355 vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, VS355 has a total rating of 5.6 out of 10 versus 7 for HD27.
Advantages Epson VS355 over Optoma HD27
Bigger projection screen size: 33-320 inch vs 30-300 inch
Better brightness: 3300 vs 3200 lumens
Longer lamp life (normal mode): 6000 vs 5000 hours