Also let's not forget that a glass ship with the inherently more consistently accurate airfoil will always be a better choice. You mention the 7036 but you need to realize that this airfoil, along with the RG15 is very fussy about it's accuracy. Balsa construction with open bays will not provide that level of accuracy and may very well limit such a model to no better than or inferior performance to the Bubble Dancer.

But I aslo echo John's comments about the doubt surrounding the BD's piloting and trimming abilities. You may be trying to compare apples to oranges.