What's your budget? 100, 200, 400, 600? #This impacts what I might recommend. #For ~200 I would recomend you get a Kentucky Km140S (solid top only)or KM150S (all solid) from a dealer like Elderly (a Café sponsor). #Those are good starter instruments and Elderly will set it up right so you can learn on it. #Also with a limited budget, you'll do better getting a mandolin that is playable and intonates correctly to start on. #Worry about what is "correct" for a genre later. #Learning comes first.
If you have ~400-800 to spend, I would recommend the used Mid Mo or even new if you have more money and really dig the mandolin. #Bucks County Folk Music in New Briton sells Big Muddy instruments so you could at leat try one there first. #They are good people. #I would also recommend a used Eastman A style from the Café classifieds - preferably an oval hole model (those end in 4, 504, 604, 804... the Fstyle models (514, 614, 814 etc) are nice but the scroll is just added price and looks that you'll need to balance out. #Their F hole A styles are also affordable used and are good instruments.
I can't comment on the models you've listed as I've never played them.
If you have over 1000 to put into it, I would recommend you visit Fred Oster's Vintage Instruments in Philly to try the Gibson ovals from the teens or the Martin flat top instruments (very different sounds but both will cover most of the stuff you've listed as being interested in) to feel those out as well. #At the very least, you can have fun trying out some vintage instruments.
There are two things to aim at in life: first, to get what you want; and, after that, to enjoy it. Only the wisest of mankind achieve the second. Logan Pearsall Smith, 1865 - 1946
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