We had a chance to test and compare two models: Optoma HD27 vs Optoma HD243X and this review should help people who are looking for a good projector. Based on our rating, HD27 has a total rating of 7 out of 10 versus 7.3 for HD243X.
Advantages Optoma HD27 over Optoma HD243X
Bigger projection screen size: 30-300 inch vs 28-301 inch
Lower noise level, 26 dB vs 27 dB
Lower power consumption, 260 W vs 300 W
Longer lamp life (normal mode): 5000 vs 3500 hours