We had a chance to test and compare two models: BenQ W1070 vs Optoma HD27 and this review should help people who are looking for a good projector. Based on our rating, W1070 has a total rating of 6.6 out of 10 versus 7 for HD27.
Advantages Optoma HD27 over BenQ W1070
Better brightness: 3200 vs 2000 lumens
Lower noise level, 26 dB vs 33 dB
Lower power consumption, 260 W vs 353 W
Longer lamp life (normal mode): 5000 vs 3500 hours