I'm brand new to RC flying but have loved the Canard aircraft for years. I would love to see a Canard that could be used as a trainer with fixed Canard wing and a large battery payload for long flights, then, later upgraded to use a movable/working Canard wing.
Canard aircraft use the canard for pitch control (elevator). I'm not sure how a true canard would work with an elevon setup - I think that is what you mean by "upgraded to use a moveable/working canard wing."
When designed correctly, a canard could be a great trainer. The canard is designed to stall prior to the main wing thereby preventing the main wing from stalling.