Were these stock on the Roubaix?
If so, the bike is designed for such surfaces as the ones you are describing. Such as:
I havent tried the S-Works Turbo, but I tried their very simple Espoir, with the wire.
I tried two sets, one in 28mm for the commuter and one that was stock with the Allez.
I was using both in some very bad surfaces with no problems. Had a total of 4 flats in 3000km with the 25's and that was due to the valve stem of the tubes breaking except once where I dont know what caused it, but I suspect either some very sharp glass or the tube again.
Btw are you using Tubulars or Clinchers?
You could check these types of tires:
1. Pave specific tires, (like the Conti 4 season, or the Vittoria Pave)
2. Or if you have some really bad roads maybe a Cyclocross tire...
But if you are not worried about accidents and need a tire with better traction or something, you could just wear these ones first before getting new ones. Chances are that you are gonna be bored with them before they actually break, which is what happened with the Espoir 25's I had. (3000km, last few were not so "carefully riden", and just a few small cuts, but pretty good).
Cobblestones and bad concrete are not that bad.
Wet grates, wet railroad lines, oil slicks and mud in the start of rain are! (Very, very bad actually. Not so much for the tires but they can cause accidents due to loss of traction).
Good luck!