what size tarp are you looking for? weight range?
check these out...

cooke costom sewing tundra tarp
http://www.shop.cookecustomsewing.co...?categoryId=12
1.9 oz 15'x15' 204$
1.1 oz 15'x15' 415$

Kelty Noah's Tarp
http://www.rei.com/product/808940/ke...s-tarp-12-x-12
12'x12' 69.95$
http://www.rei.com/product/808945/ke...s-tarp-16-x-16
16'x16' 89.95

oware flat tarp
http://shop.bivysack.com/product.sc;...2?productId=59
12'x14' 129-159$
http://shop.bivysack.com/product.sc;...2?productId=23
10'x12' 104-119$

ENO SuperFly Utility Tarp
http://www.eaglesnestoutfittersinc.c...ct/SUP001.html
14'x13' 269.95$