Hi, I built two Tiger 60 and I have one on my work bench!
It is a great sport airplane - the key word is sport" it is not a racing or a full aerobatic frame - but it can teach you a thing or two.
I built my planes per plan, tricycle. Build it straight, solid and true - build light - you can beat the factory weight very easy.
A light plane will fly better, will land so much better.
A good 60 will power this plane with enough authority.
It can be modified to look like an Xtra 300, but if such is your fancy, buy an Xtra 300 in the first place, sorry the Tiger cannot match it.
Once the Tiger is flying and properly balanced, it is a great platform to fine tune it with radio programming. Create flaps, help in turns, in basic aerobatic. I love the Tiger for its intended purpose.
Ray