I love my 100L it's super sharp and great for portraits on a FF. if you want reach the 180L is a much much older design and very specialized but its optically fantastic.
"I love the 85mm II but the slow AF is not always nice. A faster version would be most welcome. Weather sealed would be nice too." <----- fully seconded the slow AF caused me to by my only non canon lens and go with the Sigma 1.4 Replace the horrible...
I agree 100% I've spent maybe 15% more over the years at my local store and got a lot more than that back in support from them. As for best priced go ask your local store! I'm sure they'll help you find something appropriate for your needs.
A second hand 24-70, lots of saving and begging my wife Sold it a while ago when upgrading to FF and replaced with 24-105 I is simply had to have the reach.
