Siltech power cords


For the first time ever I'm considering an after-market power cord. This would be for a Rega Apollo. The rest of my system is a Sim Moon integrated and B&W 704 speakers. Has anyone tried Siltech power cords, particularly the SPK 30?
rfprice
My experience with the spx 30 that it makes brighter the sound print, but also it seems to be more detailed and to have more speed.
I'm actually glad to hear that because I have on order a Synergistic Master Coupler.