Don't splurge on . Since digital content isn't subject to the vagaries of analog media, you should be fine with a decently shielded cable for $10 to $20, depending on length.

Verify All Sales Claims

A salesperson at Sears insisted to a colleague of mine that all consumer electronics stores charge a 10 percent restocking fee for returns; but that isn't the case. Unless you do your own research, you'll never know whether the rep is offering help or a hard sell.

For additional tips on HDTV shopping, see "." Also, check out our advice about . And enjoy your new high-def set!