[Overdrive]

Close the vents you're not using, if any. I rarely have passengers (their loss), so I close the right vent in the center and the passenger side vent by the door, and that increases the airflow to whatever else is still open.

I don't think the floor heating is bad when the car is at optimum running temp. This car actually has some of the best heat I've had in a car besides my old Corolla. Feet get toasty pretty quick from my experience. Sometimes I switch to it just to spread the heat out a bit, rather than turn the temp down, so my knuckles and face don't get cooked by the upper vents when I have the heat set to Hell.

Are you using the fresh air setting or the recirculation? It does make a bit of a difference, and if your cabin air filter is clogged up that will affect the airflow in the recirculation setting.