I picked up a 35 1.4 v1 a little over a year ago and it's on my camera a lot. I love the look of that lens and the balance on my 6D.
I have been mostly buying used the past few years, paring down my lesser used lenses. My kit 24-105 v1, a used 17-40, and the 35 are by far my most used lenses. I can't justify the expense of the new versions. I'm not sure that with my moderate skill level I would see that big a difference anyway.
That being said, I love that Canon is always pushing their lens designs.
It is my newest lens, since I took advantage of the recent refurb sale.
I would agree with the comments about the 50mm f/1.4. However, I got it to use with my T3i and haven’t found use for it now with my 6D2. The 85mm has taken over the role that the 50mm had on my Rebel. I still think it is a fine lens, and if I ever feel the need for using it, I know where it is.