...I would add that no amount of beta testing can completely innoculate a product against bugs. And the fact is, it may not be until dozens or hundreds of units are in the field, and/or are in usage for some time, before the manufacturer (1) receives problem reports; and (2)can begin establishing patterns that point to a specific failure point within the product. Vehicle recalls are a prime example.
This is a good point, and its especially true for smaller manufacturers that can't afford to conduct really large-scale external beta tests or operate really large internal test labs. There are simply too many possible combinations of hardware, and especially with technology like HDMI those combinations can generate some weird issues.
Nearly everything we sold had issues or problem areas of one sort or another.
My boss has a saying (something that he adopted after lots of talks with our liability insurer): "There are no perfect plans." The goal is to get as close as you can, and work hard to manage problems when they do arise.
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