GR07: Way more polite than the FX700. I'd say the timbre is on par with the FX700, without that treble tilt, so it sounds more natural (to me at leas). Detailing is less aggressive, and the overall signature is more laidback, allowing me to listen for hours without a hint of fatigue. Dynamics on the GR07 are good, but not on the same level of the monster that is the FX700. So on about 10-15% of my library, I found myself longing for the edginess of the FX700. Keep in mind that the remaining 85-90% of my library was done better to my ears by the GR07. One of the things I love about this iem is that it lets me hear my music as it is. It's ever so slightly warm, without really coloring the music. That is not something I can say about the FX700. Not to say that the GR07 is boring; it's what I call a "lady in the street, but a freak in the bed." It's not a stripper with tattoos all over her body, but a girl with a little butterfly on her pelvis where you alone can see it. What my strange analogy implies is that the Gr07 is not an "always on" iem. It has no midbass hump, yet it can rumble your socks off it it needs to. It's still my favorite iem. The