I'm new at this, just 6 months or so ahead of you on the same journey. I haven't tried a P or a 7. I do have a VI-L (from Craigslist), and an L1 and a VL. Many others with way more experience will chime in I'm sure, but here's my not-so-quick take. Maybe I lucked out, but each of my bodies is in excellent shape, and were about $200 - $250 each. Two bought with a 50mm lens each at a slightly higher price maybe.
I have used the "tripod-mount lug" (from Peak Design) to hang my Canons vertically. I very much like the vertical hang with my Bessa T w/Rapid Winder, so I'm pretty dedicated to that...or just a wrist leash.
I use the VI-L with a Voigtlander 25/4, so I only Zone focus and use the Voigtlander Accessory Finder (metal) for framing. Love that. The VI-L patch is OK, but not as good as the L1 or VL, so that's why I use it for Zone focusing with a wide lens.
I love my L1 and VL (purchased one from the Classifieds here). I wear glasses, but often focus with glasses off the face so that really doesn't answer your question. I again use accessory finders because I just love the experience of the bright view. The ease of viewing helps me enjoy the whole experience without frustration. Admittedly, the accessory finders add up the costs quickly. With the L1 and the VL, I set the Finder Selector Dial to MG or RF(?) and put Gaff Tape over the dial so that I focus the patch at the highest magnification. I've read that the Selector Dial scratches glasses, but also that it is the Finder bezel that does the scratching. My glasses are definitely scratched--big bummer. Not in the field of view, but a drag. Beware!
I took the advice of folks here and went with the Canon parallax-correcting Accessory Finders (with the tilting FoV) for 50mm and above (Voigt for 35mm and below). Both these Canons and the Voigtlander VF's are great!
If you only wanted a 35mm & a 50mm, and bought those two accessory finders, the costs aren't too great (compared to Leica for sure). And you've got great LTM lenses to choose from.
Finally, as you likely already know, the experience of handling the Canons is a joy. The fit and mechanical feedback is just lovely. At first, I wondered why that would matter so much to me. I really love the features of my Bessa T. It works fabulously, and it's (relatively) new. Dependable. But, the tactile experience of the Canons has come to matter for me, and the combination of the enjoyment of the fit and feel along with the bright accessory viewfinder make me feel good. That's good enough for me, but I also suspect I get better images because of the tactile/visual experience with the Canons. I relax since I'm not fighting the camera. That may sound like nonsense, but it's real for me.
Enjoy the journey!