I haven't used the SG tarp, but have used the DST a lot. I thought I wanted something lighter weight and got a Yama Mountain Gear 8.5x8.5 flat tarp. It's a 20D silnylon versus the 30D Cordura nylon Seek Outside uses. The difference in fabric is noticeable - I haven't damaged the Yama tarp yet, but it feels more fragile. I don't dare tension it the same way I do the DST. Also really miss the center patch, not only for the peace of mind where the pole/stick meets the tarp, but also to keep the stick in place once the tarp is pitched. Actually the lack of a center patch, after using it so much with the DST, is frustrating enough that the Yama tarp is probably relegated to a-frame or lean-to pitches for me at this point, which aren't my preference at all.