Paul opened up Dell’s “November Gift Guide” earlier this week and saw a great deal on a digital SLR camera (and lens!) from Nikon. It cost only $499. He wanted to take advantage of this great deal, so he hopped right on Dell’s website to buy it. That’s when he learned that the prices in the November gift guide only applied for a fleeting moment, possibly before he even received it in the mail. Update, 11/20/12: Hey, look at that! The price suddenly fell for some reason that we’re sure had nothing whatsoever to do with this post! [More]