After having spoken to a few DG/Libelle/Cirrus owners I am really considering the Libelle. What would be the points to look out for when buying one, in your opinion?

In the Wikipedia article:

https://en.wikipedia.org/wiki/Glasflügel_H-201

it says:"they are quite sensitive to sideslipping and have relatively ineffective air brakes that make short landings tricky for inexperienced pilots".. I wonder what 'sensitive to sideslipping' means in this case.