35mm f1.0.
I absolutely ADORE my 35mm f1.4, but I've got $1200-$1500 any day of the week for a world-class f1.0 version, which you just have to think Fujinon could do if they really wanted to.
If I squeeze my eyes closed really really tight, I can see my X-Pro2 35mm f1.0 combo.
j.