I already bought one, so I'm removing these links from my bookmarks. But in case someone else can use them, here they are. You'll have to cut-n-paste 'em. [Edited: well, no you won't. iJournal or LJ or something made links out of them without my having to do anything. Kewl!]
http://www.birdwatchers.com/cgi-bin/shopper?preadd=action&key=WP300

http://www.snohomisharts.com/index.htm

http://www.avalongarden.com/avalon/birbat.html

http://www.birdsforever.com/hanging.html

http://www.portalproductions.com/birdbaths/bird-creek.htm

http://www.birdwatching.com/tips/birdbathsresources.html

http://www.capsisfountains.com/

http://www.augusthome.com/14tip5.htm

http://www.portalproductions.com/birdbaths/molded-ponds.htm

http://www.precastco.com/birdbath.html

http://www.waterart.com/

http://www.wingedaquatics.com/index.html