Good decision you made bro, it's worth it.
2012 S-Touring will be a little pricey but way better than what IMC is offering, even mine is a lot better than that.
And yes self-import is a wise decision but do some research regarding interpretation of auction sheets, in the lower left column problems are listed that portion should be empty or just a few lines, but do get that translated prior to buying the vehicle.
As for black color, you can see in the used cars section, plenty of pictures available, but Prius has a lot of attractive colors as well, like deep purple which is in simple words magnificent!
All the best with the purchase!