Another thing to concider is the type engine in your Decathalon. 4 strokes swing larger props and will want to pull the plane left a little harder than a 2 stroke. The most common ways to compensate for this have already been stated above, and are all of equal importance:
Tow in on the landing gear
Even accelleration
Rudder control
As far as the tail wheel goes, half of my planes use a skid plate instead of a tail wheel. The only thing you need a tail wheel for is taxiing. Other than that, it's just there to keep the rudder off the ground.
Do not put a gyro on the rudder. If need be, some radios will allow you to mix the rudder with the throttle. Gyros are for helicopters. Putting one on a plane is like saying you don't want to learn how to do this, so you'll just put it in automatic. Gyros on airplanes are not learning tools.