The guy in Tacoma with fresnel screens for 5x7 cameras is jmsharkey on ebay.
  ¶ 8:25 PM

  Have Esnipe and BidBlaster eBit the Bdust?  ¶ 3:38 PM

  Some bidding programs are:

Cricket Jr. (note: I'm a registered user of Cricket Jr.)
AuctionMagic
ISnipeIt
Snipe Plus (No link available, sorry.)
Mercenary v0.0 (No link here either)

All about ebay sniping and bidding
http://www.moyen.org/snipe/howto.html  ¶ 3:36 PM