Trailstar? MLD are supposed to be really good tarp and tarptent manufacturers. I know of a guy selling a Patrol Tent and inner nest too which I am seriously thinking of. In SPinntex which is between Sil-nylons and cuben fibre in weight. What are you getting your's made up out of? Cuben fibre by any chance??
Let us know how you get on with your Trailstar. Its a shaped tarp with a mesh inner IIRC. Good design and a newer design than the old patrol tent. However I can't really afford a full price MLD "tent" system so secondhand is as good as I can get. MLD stuff doesn't come up for re-sale that often. Still the sub-300g patrol is still pretty good too.