I've been loving my Etymotic for years now. Been loving them so much, that after breaking one cable and i couldn't find a new one; just ordered a new pair. This cable broke too (both at the Y split), and believe me that i'm damn cautious about handeling and storing my IEM's. It's just too sad...

Does anyone have experience with both IEMs? I tried Googling and looked here on Head-fi, but I can't seem to find if the new XR is a big improvement over the older 4p. I can get Er4P new for $200 and Er4XR new for $300. Is the $100 US worth the upgrade? The 4P come with an adapter that turns...