I really like it for its sharpness, colours and contrast. It is quite reflective. Comparing it side by side with a 2014 Macbook Pro with its glossy display, the 7670 is more reflective.
Because I run as many applications as possible in Dark mode, it is especially noticeable how reflective it is. On a white background application I don't really notice it at all, and would keep the brightness to a level comfortable to my eyes in the conditions. In Dark mode even maxing out the brightness reduces the reflection somewhat, but is still there.
That said, having worked on glossy laptop displays before with my personal MBP, I get used to it and "ignore" the reflection and not focus my eyes on it.
I have not yet used it outdoors to see how useable that is.
I don't use linux so don't know if/how the touchscreen works on that. I've never used a touchscreen in a laptop before and don't think I will; would rather keep the display spotless at all times.