Hmmm, interesting... We're definitely past the 3 month mark that you experienced with my SilverSlaps E and A, but I suspect the thicker E and A may be less susceptible to this kind of failure. I'll sure bring it up of this happens with them. I'm actually pretty happy with my sound and feel, but there's so much else out there in the way of strings that I'm very very curious. I've actually got 2 of each of the new SilverSlaps and 2 each of the new dirty guts sitting in the bass bag waiting for me to change strings when the time comes, so unless I get really anxious I won't be trying anything different for a couple of years. I've avoided steel strings on my metal bass to try to keep the tone more "like wood", but have wondered about TI SuperFlexible Solos possibly as an E and A. Have you tried SuperFlexible Solos on your PFretzchner?