Wouldn't it be helpful if auction bids told you something about the circumstances of the bidder? Contract bridge systems provide this with coded meanings for each bid, so why not combine the two?
Canned Unicorn Meat
Item Condition: New
Current Bid: 2C
Bid History
Bidder Bid Amount
East117 2C (is desperate to win this for their kid's birthday)
Northy 1S (keen but is distracted by work)
TopDealer 1D (tyre-kicker, will drop out quickly)-- oscil8, May 09 2012 I'll bid 1 bun...-- RayfordSteele, May 09 2012 random, halfbakery