This is one heck of a sharp lens. I have noticed that the resulting photos need much less USM attention in post-processing. To be honest, I printed one without any USM at all, and it looked excellent!
At 1.4 if there's a lot of light you can get some haze or misty veiling of the image. Stopped down to 2 you don't notice that.
At 1.4 it is BRUTAL to focus on moving people. I am very out of practice with respect to manual focus. I didn't actually switch to AF until my Elan IIe in 1998, but in the intervening 8 years I've apparently lost the knack for focusing on anything remotely moving. Even a sitting person can provide a challenge... This weekend I lost a few otherwise excellent shots due to my inability to keep up with my subject's movement. I am not worthy!!
I stopped down to f2.8 and get a higher propensity of keepers, but still missed some true greats. I need to practice.
Sharpness is fine wide open if you get your plane of focus correct, and are accurate in your focusing. Each stop brings even more sharpness, up through f8 where it's as sharp as anything I have ever used before. It slays my old Canon prime glass. You'd have to be careful with f8, though, it would be very unforgiving of complexion
I like the color and especially the contrast... The Zeiss has a look of it's own, very saturated and contrasty. I like that, some may not.
Distortion is very low, which is nice.
Bokeh is pretty good, but at 1.4 it can be a bit "swishy." Being aware of your background is important. If you have a lot of tree branches or otherwise busy objects in the background, I'd probably pick f2 over 1.4. Things can tend to look a bit busy at 1.4. That's being pretty picky, though, I'm happy with how it draws out of focus objects.
I compared it to my 18-200 this weekend, some tripod shots of a building. I was curious. As you would expect, the Zeiss slayed the 18-200 in all respects... But that didn't surprise me, really.
The thing is: I get a LOT more keepers with my 18-200 or 17-55... (this is not shocking, just an observation). Using the 85/1.4 is exacting, precision work. And I thank goodness for digital as I can delete the out of focus shots instead of fretting over film... I'm going to play with this Zeiss for a little while longer and then make a decision of whether to keep it or go with the Nikon 85/1.4. I like the way the Zeiss draws better, and when the planets align I really like the images... But unless I can get the MF knack back, I don't like restricting myself to immoveable objects

I like candid and street photography best, and that's where I have the most fun.
This has been a bit of a shock for me, a reminder of how much of a crutch modern technology has become to me.
Just some thoughts, HTH.