Do they have ANY similar (same size, same geometry) Fishers in stock?

They are definitely nice bikes. BUT, they have a more unusual geometry including a longer effective top tube (reach) on average than their competitors' (part of the "Genesis" geometry). This holds even for their WSD "genesisters" bikes.

From what I've gathered it's a "love it or hate it" sort of thing with little middle ground, and they simply won't fit some people right.

Nice bikes, but I personally would be even more hesitant to buy one of these without a test ride than some other brands with more standard geometry (that is to say I wouldn't do it).

Now, if they'll order it without obligation from you, then why not try it out.