Mike, have you tried VS Touch (BT7) natural gut? The new coating is kinda ridiculous. It takes forever to start fraying. As a bonus the various textured polys I use in the cross don't seem to make deep notches.
Wilson BLX 90 - Wilson Pro Overgrip - 12.9 ounces
Wilson Gut 16 / Luxilon ALU Power Rough 16L 51/49 pounds