An MSNBC writeup took a look at how Wal-Mart's industry-leading price scheme is potentially hurting the other guys, and it even goes so far as to suggest that the recent store closings and layoffs at Circuit City, Tweeter, CompUSA, and Rex Stores were all triggered by the giant slashing prices to acquire razor-thin margins.

ENGADGET: Wal-Mart's HDTV pricing puts competition in a world of hurt