We had a chance to test and compare two models: Optoma HD26 vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, HD26 has a total rating of 6.6 out of 10 versus 7 for HD27.
Advantages Optoma HD26 over Optoma HD27
Bigger projection screen size: 37-307 inch vs 30-300 inch