The chap from Moon Audio who makes excellent after market cables reckons that the stock cable on these is the best stock cable he has seen. Having gone through the after market cable thing with my LCD's even if these were plug in cables which made it easier to change them I would not. There were benefits to the after market cables I had but after months and months of use I realized my initial thoughts were based on it just sounding a tiny bit different to the stock LCD cable.
Months later when I went back to the stock cable the differences were so small and just different, not better or worse that I came to the conclusion I would not bother again which is one of the reasons I went for the T5P's as the temptation of the wonder cables was easier to resist as it was not just a simple case of plug and un plug!
To put this in context I am a believer in cables having different sonic traits, I hate though to say better or worse, just different and I do far more clearly hear the differences between my four interconnects, the cheapest being my preferred choice in terms of sound that I like.. Or rather how the cable gets out of the way more!
Based on my own experiences then I would rather spend the extra on music than the tiny differences once the dust has settled (headfi bandwagon euphoria
) that I have experienced with different headphone cables... After all, this hobby is meant to be about listening to music isn't it?