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As stated in the first link I posted...
Toggle: 1957-1960
Fatboy:1958-61
Slim: 1961-68
Super: 1969-86

As far as the quality of later Gillette razors my understanding is that the Super is well...

Here is a nice little article on the adjustables in general with some info on the BB.
The Gillette adjustable razors — BruceOnShaving.com a blog by Bruce Everiss

A few more tidbits in this.
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My understanding is that he handles are aluminum. If that is the case, anodizing makes sense, but doesn't have to be the case. Never having held one I couldn't say. I know in 1977 they replaced the...