are the black levels really that bad on the sam pn50a650? iv been lockin for a tv the sam pn50a650 sounds like a great tv but im worried bout the black levels.. on a scale from 1 to 10. 10 bein great how r the black levels for the pn50a650 and then panny plasma tvs?? and i found a sammy for $1440 is that a good price? aand i found a 50'' panny at wal mart for only 1000 it loooked great it had infinity black so that tv is in the descussion to can anybody help me?? its driven me crazy!

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