Some people are benefiting from the dot.com collapse: they are buying up Web properties for a fraction of what they cost during the bubble. The Excite@Home debacle is providing what could be good pickings. For example, the founders of the Webshots photo site sold out for $82.5 million and are buying it back for $2.4 million. Blue Mountain Arts? Bought for $780 million; sold for $35 million. The Associated Press story has more details.