Here is some info on the sites
http://bingo-corner.com/ – pr3, approximate traffic – 70-100 uniques/day, Creation Date: 2004-05-24
http://www.nodepositbingo.com/ – pr4, approximate traffic – 100 uniques/day, more than 400 indexed pages, Creation Date: 2005-02-18
http://freebingosites.net/ – pr4, approximate traffic – 50-70 uniques/day, more than 400 indexed pages, Creation Date: 2004-11-30
http://bingotop100.com/ – pr3, approximate traffic – 20-50 uniques/day, Creation Date: 2005-01-16
http://www.freebingomoney.com/ – pr4, approximate traffic – 50 uniques/day, more than 400 indexed pages, Creation Date: 2005-12-06
http://www.onlinebingosites.com/ – pr4, approximate traffic – 150 uniques/day, Creation Date: 2005-07-02
http://www.prizebingo.com/ – pr4, approximate traffic – 400-500 uniques/day, around 300 active players each day, around 30 000 subscribers with email addresses, great domain value, Creation Date: 1998-11-18, site is about 1 year old.
http://www.jet-bingo.com/ – pr3, traffic – 10 uniques/day, Creation Date: 2005-03-29
http://www.ggbingo.com – pr3, no traffic, it’s a skin for games4traffic free bingo game, Creation Date: 2006-08-09