Thanks for the reply mad dog1. I'm quite sure I'll like the SV's.
I'm just wondering if the SV's are prone to breaking after all those years of use. I edited my post to make that clearer
4 PS 85 StV, 2 PS StV 110, PS Chicago 125 & 110, 3 Bab Aero Origs, 2 KPS88, Donnay X-Blue 99, 2 Snauwaert ATP and 7 Wilson Woodfordes, Hi-Ten Set