Went to my buddy's garage last night to change tires on a bike; bias ply tires on an older bike. He's got the Motion Pro tire irons. My kit includes the Harbor Freight tire irons.
I can change a tire pretty quickly most of the time, and when I have to use the tire irons the Harbor Freight ones work pretty well. But I have to say, the extra bit of thought and design in the Motion Pro bars really make a difference.
Sometimes, the right tool for the job can seriously enhance technique and skill.
The Harbor Freight irons:
The Motion Pro irons: