i want to buy either one of these lcd`s they are at costco at 799 and 849, i read that the sharp is like a lc32d42u and has good reviews only that volume wont go very high, the sony i cant find reviews on it, i have an olevia 232t that the audio is terrible it has like a humming problem so this 232t is goig to be replace and need help choosing between the sharp at 799 or the sony at 849