For myself, it's to fill in gaps / replace older stuff...... Like I got a Theory when it was new and used a similar drilling that was on my Virtual Gravity ( which i love ) so when my VG is too strong i can goto my Theory...
I did the same with my Marvel, used a similar drilling... So i can just change balls... Sometimes, If I see a review by a Staffer like Riggs, I'll try that drilling on said ball.... I mean this year I've purchased Two theory's, two Tropical Heats, a Marvel, and the Natural...
I'll probably wait on the VG Nano till next season, and Same with the Victory Road...
" Lift Your Skirt Grab Your Balls and Learn How to Bowl "
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