I have my eye on a smaller tarp and am thinking of selling my Grace Duo.

http://www.outdoorgearlab.com/Ultralight-Tent-Reviews/Mountain-Laurel-Designs-Grace-Tarp-Duo

http://www.mountainlaureldesigns.com/shop/product_info.php?products_id=85

$170 new

$100 shipped.

This is the pre-lineloc design, and, making it even lighter, is not seam sealed. Haven't needed to!