{Note meant as a hijack...observation and question}
OK...I'm finally starting to get it...the consensus here is one type of preamp (regardless of how many of that one type) seems to be a preferred method to achieving a...memorable...sound.
And, these preamp choice (regardless of which one) can offset shortcomings in a board's internal pre circuits....
And, that a good (great) pre can be used for anything from strings to screaming guitars to vocals to drums...when used in conjunction with the right placement, right mic choice, right musicians, etc...
So, why all the arguments, fist fights, shootings, mother stabbings, and flamefests when it comes down to 'which pre for which application?" Isn't there enough historical precendence for the one pre application to put this matter to rest? Perhaps the arguments didn't arise until the medium to which they were outputted to changed.
In the end, it appears there are a few external units (API, Neve, to name a few) that will wound good on anything...and that for the most part, the lion's share of pres can be usable if the engineer knows what to do with it and understands the system's limitations?
If I'm wrong, please let me know...I've been behind the board for a while now and still get headaches over all this confusion.