TomD
I would want to know what problem they thought they were solving when they designed the replacements. Then I would want to compare that to which of the three paradigms I might have in mind for my breaker use.

One thing though, before splashing out on an upgrade, we could very well see some action in this area based on recent info. So while better grade breakers from the past are probably still nice upgrades, what can we expect in the future? My BU IP breakers, all rights reserved, for one.