I love Best Buy and I've never had a problem with them. Their sales associates don't work on commission so they often will recommend a better product (even if it costs less). Also, they have all kinds of no-interest financing deals on their credit card. They have a lot of open box items that you can get the regular warranty on, so you're getting a product much cheaper, but you still have a good warranty. I highly recommend Best Buy. Their store can be a bit noisy at times but it's well worth it. Any problems I had were fixed quickly.
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