Clean way to mount clutch m/c up high.

The other thing to keep in mind is that ratio isn't necessarily the only thing to worry about. You can have a really nice ratio that's easier on your leg, but as the ratio changes the pedal travel does as well. Odds are the change will be less extreme, but since you're talking about travelling in an arc about the pedal pivot, as your master cylinder rod moves down from the pivot to the pedal (heavier pedal), your required pedal swing for maximum master cylinder stroke goes down as well. If you have a really high pickup point for the master cylinder you'll have a nice light pedal, but you have to swing the pedal really far to get full stroke.

It's all about balance and preference. There are multiple tuning points in the system you can mess with to get what you like. Changing master cylinder bores can also change pedal pressure, but fluid volume can change with it too. It seems most aftermarket "universal" master cylinders try to keep it balanced (so a smaller bore has more stroke than a larger bore to keep equal volumes), but you'd have to account for that on pedal travel as well.

Long story short, heavy pedal usually equals shorter throw. Softer pedal means more travel.