We had a chance to test and compare two models: BenQ HT1075 vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, HT1075 has a total rating of 7.3 out of 10 versus 7 for HD27.
Advantages Optoma HD27 over BenQ HT1075
Bigger projection screen size: 30-300 inch vs 40-235 inch
Better brightness: 3200 vs 2200 lumens
Lower noise level, 26 dB vs 31 dB
Lower power consumption, 260 W vs 353 W
Longer lamp life (normal mode): 5000 vs 3500 hours