http://twoleftneedles.com/
I have 520 yards in 3.7 oz. I made a reasonably-sized Flower Basket Shawl out of one skein of Handmaiden Sea Silk (440 yards in 3.5 oz), so I think the shawl would be fine yardage-wise. I'm not sure how the striping nature of handspun would work out, but it's a simple pattern.