After reading the reviews of this headphones from this website, I think the m4s are not worth the upgrade if you have the m3s.

After reading posts like these on the best planar magnetic headphones, I am planning to invest in a quality planar headphone as well. Lets see how it goes. Although planars can cost a bomb

Yea i was thinking about the same. I am actually saving up for the Hifiman susvara after reading about it here. Lets see how it goes. I guess I will need a good to Dac as well to power these beasts up

I was also looking for headphones for gaming. But reading the reviews from different websites its confusing to decide whether open back headphones for gaming or closed back headphones. I read it here and here. Im thinking of opting for open back headphones since I can game with them for long...