If memory serves it was mostly bulb issues, along with other things.
I remember a lot of people saying they would never buy another Samsung product again!
This is the main thread for the product, but it's huge.
http://www.avsforum.com/avs-vb/showt...ht=samsung+710
It's worth noting that the older 720 model
was a joe kane model so many people bought it for it's out-of-the-box colour and greyscale accuracy.
Who knows how much of this has trickled down to the A400. I guess someone is going to have to bite the bullet