I found a few sites today with some clearance sales:
Scrapbook.com - TONS of items listed, up to 75% off; Limited Time $10 Coupon! (Code: HLDY45)
A Cherry on Top - up to 80% off;
Scrapbook Outlet - 6 pages of really cute stuff!
HSN - Big scrapbooking and card making sets discounted
Scrap Your Trip - Up to 25% off selected items