receive my dg-747 today . very impress with the hook up . be easy to hook every thing up and start use it . it be high def , the computer hook up need a good video card to get great picture . very well pleased with the picture with just use the dynamic preset setting . have not try fine tuning yet . the only problem I see so far be the focus could operate smoother . bulb can be order from lone star so far they have answer all my email politely and promptly . and you can reach they by phone . will add to my post as need .