Search engines results using the  words cash coupons. In some cases, listed also is how many web sites.

these are in the top 20 search engines and are not pay per click

Yahoo.com web results #1 of 61,000

Msn.com #1 and #18

Excite.com  #3 of 135,000

Lycos.com #39 of 135,000
Nbci.com #1 and #2

Hotbot.com #1 of 159,000

Google.com #4 of 261,000
Infoseek.com #1, and  #2, and  #28 of 136,000

Looksmart.com #4
Alltheweb.com #9 of 139,000

Iwon.com  #1 of 139,000

Mamma.com  # 2  and #4 and #5
dogpile.com  #1 and #2

Infospace.com  #1

Webcrawler.com #3 of 534,000