Digital BW, The Print

Can anyone point me to the least expensive online source for Epson 
papers? Specifically Velvet Fine Art and Luster in 13" x 19" shipping 
to Southern CA.

I've searched the forum archives, Pricegrabber, and Google and found a 
few places. However, I know that the last time I purchased Luster, 
someone on this list mentioned that they were paying less than I did 
but they didn't mention their source.

Thanks for your help!

Rob Greer
http://www.robgreer.com/