Maybe you missed the point two of us made: The larger Clark tarps are worth much more than the allowance for not including one with the purchase. You're leaving money on the table. You cant' find a comparable 11' x 10' for $90, shipped.
AES's 10' x 10", for example is $130.
I'll say this, though, for a hex tarp with the Clark hammocks: The inclusion of hoods over the ends of all of them makes the loss of coverage from the cut-outs less significant for blow-in of rain.