We had a chance to test and compare two models: ViewSonic PJD5533W vs Optoma ML750ST and this review should help people who are looking for a good projector. Based on our rating, PJD5533W has a total rating of 6.6 out of 10 versus 7 for ML750ST.
Advantages ViewSonic PJD5533W over Optoma ML750ST
Bigger projection screen size: 30-300 inch vs 30-80 inch
Better brightness: 3000 vs 700 lumens
Advantages Optoma ML750ST over ViewSonic PJD5533W
Lower noise level, 22 dB vs 33 dB
Lower power consumption, 77 W vs 240 W
Longer lamp life (normal mode): 20000 vs 5000 hours