Not worth it. That model is over two years old. For about a hundred bucks more you can get a new TC-P50X1 with free or very cheap shipping and it's a much better set with current technology that will outperform that old PX75U by a mile.
Spend a grand and get atleast a Panasonic X1/Samsung equivalent. If your room doesn't have alot of light during the day you could even get a Panny C1 which looks alot better then people on this board would seem to suggest.
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