The most likely reason is that the bulb might be dead. They will come over to your house and replace the bulb or the light unit. Check out avsforum.com for more info regarding the 3 blinking light issue.
The flicker issue is reportedly fixed according to AVS forum members who've contacted Samsung. Check out this thread: http://www.avsforum.com/avs-vb/showt...hreadid=252571
I'd recommend you look at the Sammy HLN61 over the Mits for many reasons. It's light, slim, has perfect geometry, no burn in, absolutely fantastic HD, and has the most versitile input jacks in the HDTV scene. I have the 50" version which I'm using it as a HDTV and one HUGE computer monitor. ;)
The newer batch of Samsung HD931 doesnt seem to have EE problems anymore. They must'vs taken them out. The snow in 1080i input has now been corrected by Samsung. Just call them up at 1-800-SAMSUNG and they'll send you a firmware fix for that. Great support from Samsung for actually listening to...
....from Samsung. Quote from avsforum.com "Samsung SDI today announced full HD 70" plasma panel and will be mass produced by 1Q 2004. This world's largest plasma panel is also the world's highest resolution plasma panel. 1980 1080 resolution 800 (cd/m2) 1200:1 contrast ratio...