In our showroom we have a 5070 set up next to the 600 Panasonic and I can say that even though a lot of people say the Panasonic has better blacks when you set them up side by side and calibrate them the same 99% of the people who come into view them in our showroom go with the Pioneer.
We also see a lot less warranty problems on the Pioneer, they have an amazing reliability rate. Right now Panasonic seems to be getting the kinks worked out after the move of their production plant to Mexico.
So with all that said, I see the happiest customer with the Pioneer. Hope this helps and if you have any questions please feel free to PM me.
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