First results: Valhalla---Ensemble.

I received the long awaited Ensemble cables today. These cables are very well build and made in Switzerland.
I compared the interconnects to the Valhallas first and was thoroughly disappointed: Half of the dynamic, (micro and macro) where suddenly missing, lots of details had disappeared, so I had my reservations when I hooked up their speaker cables. Same story.
So I decided to put the Valhalla Interconnects in and just swap the speaker cables. With the Valhalla ICs and the Ensemble speaker cables the system sounded awesome.
I was then swapping Valhalla and Ensemble speaker cables like crazy, but to the best of my knowledge, I could not hear any difference between the two. I think these Ensemble speaker cables are outstanding and defended their place against the Valhalla very well.
I then called my Ensemble dealer and he told me that all the cables are brand new and not broken it.
I should give the ICs around 100 hours and then put them to the test against the Valhalla again, the same goes for the speaker cables.
It this is true, the speaker cables would easily beat the Valhalla then and the Ics would be up to par with the Valhalla.
Does anybody know if burning in cables can make such a difference? Had I to decide today , I would buy the Valhalla Ics and the Ensemble speaker cables.
But I still have a whole bunch of other cables coming in and will keep you updated.