Hi, all, Today I talked to someone who installs and configure Audio-visual rooms, and he´s supposed to know what he talks about. Well, he told me that DLP RPTV cause problems when time goes by because of dust over DLP micro mirrors. I had never heard something like that. Can anyone confirm if it´s true, and in case it is, it can be fixed? It sounds pretty serious to me, if it´s true. Thanks in advance.