We had a chance to test and compare two models: Epson EX7220 vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, EX7220 has a total rating of 6.3 out of 10 versus 7 for HD27.
Advantages Epson EX7220 over Optoma HD27
Bigger projection screen size: 33-318 inch vs 30-300 inch