Agreed, or maybe the JVC FX700 if I isolation is not important, though I'm still not sure spending $350 is necessary to upgrade from the S4 with good bass and better vocals. The EPH-100 does that for $150.
If you can also love them for their strengths...
The W4 is darker than both of your sets and generally a little more mid-centric, especially next to the v-shaped TF10s. If you're looking for something between the TF10 and Grado signature I think the UE900 might be a better option.
But i dont care for the EPH-100 there is no support from comply for that specific model. as well the way the tips are inserted or design TBH.