Hey Jolly! Fantastic post, as usual. However I do disagree with your recommendation for Head Rip Control as a reasonably durable alternative to poly. I shred that stuff in no time flat.
Wilson nCode 6.1 95 18x20. 343 gms/32.5 cm/335 SW. Luxilon 4G Rough @ 56#. Custom AK 90 pallets, matched by 1stServiceTennis.com. And.....denounce.