HauteLook
Pop Beauty & Pixi Sale - I can't speak highly enough of the Pixi Week of Makeup set and their blushes in general. Amazing!
Tweezerman - The $25 tweezer and mirror sets would make great stocking stuffers (never too early to start holiday shopping!)
NYX Cosmetics - Sale starts today!
Borghese
Borghese.com - 4 hour friends and family sale today! From 12-4pm EST enter 20Sept11 code at checkout and get 20% off your order!
Ulta
Lots on sale at Ulta.com and in store...but beware...I bought Big Lash Mascara on sale over the weekend. $2.99, I couldn't pass it up, but I should have known...seemed maybe a little old and dried up inside. I'll be lucky to get a week worth of mascara out of it. Make sure to look at expiration dates on sale items!