I had the 100L... and I sold it when I got the 70-200mm f/2.8L is mkii. Then I bought the 85mm f/1.8 and I liked it... but I didn't like the 3 ft minimum focusing distance... so I bought the 100L again... and I sold the 85 f/1.8 because I wasn't using it at all... and I just bought an 85L f/1.2... so... I'm not sure I have a point... but the 100L is a lovely lens... and while I have a good deal of affection for the 85 f/1.8... you'll be quite happy with the sharpness, and the bokeh, and the the think depth of field...
Someone tell me this isn't an illness! I think it is particularly worse for those of us who don't make money at this. Its for the love of the game. Some of us also like taking pictures I blame my dad. I must have been in elementary when I inherited his old Nikon FG after he got the FA. Its been non stop since. BTW, my daughters will have nothing to do with my old 20D. Just not interested