This link will list everything from Computers and Hardware department that sells at 80% discount or more:
http://www.amazon.com/gp/search/?node=541966&pct-off=80-
Here are a few more useful links from Amazon
Web sites built on top of Amazon that can improve your shopping or make it more fun.
These websites will track the price on your items daily and will notify you by email if a price drop is detected.
Amazon Filler tools
#1 — A form field that defaults to “1″ or “0″
#2 — A blank form field to enter the quantity desired
#3 — A drop-down menu (usually from 1 to 9) to select quantity
#4 — A plain Add-to-Cart button that adds a single item to the cart (where you can adjust later)
Amazon’s Add-to-Cart Evolution
“Buy now with 1-Click”
Here’s what it looks like today…
Big Money. Small Change.
Amazon Wasn’t Built in a Day