Bob,
if it really does tip stall, you can easily fix this problem in most cases by mounting a turbulator on the outside wing. Just cut triangels 5x5x5mm from a thick adhesive tape (min. 0,5mm thick) and stick it on the upper surface in a row parallel to the LE appr. 20mm from the nose. The row should be appr. 300mm long (you have to try it out). In most cases your problem will be solved, so from my point of view this is no cause not to buy this beautiful plane.
Regards
Marc-Oliver