All, I wish to thank you for your help. I wound up with a 45mm, an 80/f2.8, and a 150/f4.0. Very nice setup, I am now thinking she's not ready for this camera. Maybe in a year or two (wink, wink).
Set down next to my rb67 this camera seems almost diminutive. Easy to handle and the photos so far, outstanding. I found you can hand hold a 150 lens at about 1/125. Pretty amazing.

Thanks for all the advice, please ship all unwanted M645 stuff to me for proper disposal.

tim in sna jose