Seems like you are making things a bit more complicated than they need to be. Radial reamp box, focusrite interface and literally any Daw will accomplish this. I wouldn't spend a arm and a leg on expensive stuff unless you have a plan for it in the future.
This necro bump pleases me. (Notice the clear difference in quality between pre-morning-coffee and caffeinated posting.) (Thread showcases one of my more effective posts...alongside one rife with rambly, partially-focused scratch pad tailings) Obligatory