2 super awesome sales: 50% off over 800 items at Paper-Source. Lots of cute supplies for DIY invites like these labels and #10 envelopes and enclosures. Plus everything comes in a wide variety of colors.
:fun Spring Sale at Cotton Ideas Studio, with 50% or more off of great designers like Carrot & Stick, Egg Press and Elum Designs. Includes some fun letterpress invites, like these from Gilah.