Hey there Kevin,
Welcome aboard, friend! Glad to have you here ...a hem, your caps lock ...lol

Lots of folks like to choose a guitar based on their intended mission ...I "get this," but don't personally subscribe to it 100% as I know that my tastes will change, not to mention I always want a guitar that will be versatile over time and genres. That said, there are certainly some guits that are better-suited or less-well suited for certain styles.
So for old-style blues, I'd guess (and my I emphasize "guess" as I ain't no bluesman) a drier-sounding guitar is in order; stronger fundamentals, less harmonic overtones, and more midrange-voice emphasis. So I'd go smaller body GC or GA, spruce top but even better would be engelmann to shave off the glassiness, and mahog or ovangkol back/sides; maple would give you even stronger fundamentals with quicker decay. That would put you into 4, 5, or 6 series: cutaway, electronics, and body size are up to you (though I would likely go for a GC if you want that dry blues thang going on

). And just as a sidenote, don't discount other brands: I love Taylor for everything that they are, especially for their playability. But a Taylor is not the first guitar I'd think of when I think of acoustic blues. All IMHO, of course.

Edward