Lauffray
Invisible Cities
The best one I've used was the F100, but I would really want to try an F6 or an R9
If we just consider mechanical SLRs, the Nikon F2 could be the one provided it has one of the latest metering prism, that is to say with Ai coupling (the Nikon pre-Ai coupling fork is a pain when it comes to change the lens) and LED indications without the old resistor that is usually dead now. My other favorite is the Minolta Sr-t 303.
If we have a look at auto cameras, the Contaxes are great.
If the original poster hasn't been utterly exhausted by this thread, I have a suggestion. I love the Olympus OM system, but after aging eyes forced me to switch to an autofocus system I used a pair of Canon EOS A2s for eight years before going digital. [FONT="]The A2's combination of just the right features, precision, silence, durability, and reliability made it one of the best cameras ever made for day-in, day-out professional work. They were used by an astonishing number of professionals in their day, yet now you can buy them for pennies. And they will work just fine with all your L glass.
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Really, there is no best SLR camera but certainly over-hyped SLR cameras do exist.