I be read a lot of review and people have be complain about the iris isuue and short bulb life . I have have the IRIS issue as well , I think it start around 1200 hour of use . the projector would shut down after a few min . you would have to turn it back on , then after a few min it would shut right back down again . I would have to do this about 4 time before it would stay on and I could actually use it . I call Panasonic and they tell I to send it in . I would have to pay to get it fix and for shipping as well . they make it sound like they would have to keep the projector for a couple of week and I would have to pay a lot for repair because it be not under warranty . I do some research about the IRIS issue and I figue out I could just open the projector and oil it up with a q-tip . it do not take any longer than 10min to do myself . it be simple and I have not have a issue since . I can not say anything good about Panasonic customer support , it suck . the bulb be still run at 2100 + hour even though the bulb life be rate at 2000 hour . if you wa not the bulb to last then you have to follow some simple guideline . - after you turn the projector off wait until the cooldown process be complete before you turn it back on . I would always wait at least 20min before turn it back on . - be conservative with the setting . if you put everything at max the bulb will go out much faster than it should . I have be consevative with my setting and I have be happy with picture quality , color and brightness . - if it be too hot in you house do not turn the projector on . the temp be usually around 80 in my house and I have have it on for hour at a time . but if it get up in the 90 's I would not use it . that about it . I have not be happy about Panasonic customer service but I love the projector . on another note , I buy this three year ago for -lrb- ... -rrb- and it be not on sale and there be no rebate . I dont know why it be more expensive to buy now .