Late in 1978, I was shooting with a pair of Nikkormats, a pair of FMs, and and F2 Photomic. I had 18mm, 20mm, 24mm, 28mm, 35mm, 50mm, 85mm, 105mm, 135mm, 200mm and 300mm. Around that time, my F2 died. Shutter is not opening. Second curtain follows the first. Sent in to Nikon. Came back dead - with a bill. Shutter still not opening. Not good. Send back... saying... hey guys, don't mind the bill (about $135) but at least FIX the camera. Another month passes... comes back again, dead. Shutter works, but the meter, which used to work, is not working. Send back again... meter is repaired for another $135. I'm getting pissed, as the camera was out of warranty by a month when it died, and now its about five months later... and it comes back, meter fixed, shutter dead - same problem. Send back, yet again, Nikon wants another $135 to fix it, even though I had not made image #1 with the "repaired" shutter, had all the documentation on the previous repairs. Called Nikon many many times... not budging. Send it back unrepaired - screw you, I told 'em. Also gotta consider that Victor Borod was my Nikon Rep, and his father in law Bernie Deitchman was VP head of Nikon Sales in North America, and used to come into our shop all the time... no luck getting any strings pulled.
Well, I finally got the F2 back, meter worked shutter didn't open. I whacked it soundly with my hand, it started working. I promptly sold/traded for a Canon F1, and a pair of AE-1 Programs with 17, 20, 24, 35, 50, 85, 100, 135 and 200.
To tell the truth, I liked the Nikon lenses better. Not in terms of sharpness, but in terms of snap and color rendition. In their day, the Canon FD glass (compared to the Nikon of the same era) was not quite as snappy, a certain lack of pizazz that is hard to describe. Not veiled, but just a miniscule amount lower in contrast I guess. And, the Canon's were a good deal cooler than the Nikon glass... but what seemed like nearly 1.5dM (although it wasn't that much ... it seemed like it).
Never looked back. Upped to EOS-5 film bodies, not as many lenses. Was shooting a lot of medium format at that time... so the 35 was relegated to birds and candids. I had bird and candid lenses - 28, 50, 300 and a 1.4x. Much more than that now... but thats how I did Canon.