Was browsing through the dell store for a new monitor. Found this coupon with "Honey". I believe it takes 7% off sitewide. Also stackable with the AUAFFILIATES15%OFF coupon, however it will remove any Dell discounts when you stack it. This is my first post, so feel free to tell me if I've missed anything.
EDIT 1: Some people have said this doesn't work with some monitors, especially the "U" Series.