Speaker cables from Asia

I see alot of offerings on speaker cables and IC's on Ebay from Asia Etc.Has anyone tried these if so how did you make out. I also have a concern that these might be like a Rolex on the streets in N.Y. look genuine but not so.
Can anyone shed a little light

Mcintosh amp & pre
VPI turntable
Rogue phono stage
Vandersteen 3A speakers