Savelist - Found products you want but not ready to buy?
Domcomp - No-nonsense domain price comparisons, updated daily
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Pricepeek - Compare prices of the same product across all Amazon locales
Coupofy - Coupofy is USAs number 1 trustworthy deals and coupons website.
The Mac Index - Compare Apple product prices in different countries