Vasiliki is THE crucial added value of your holiday in Santorini. Yes, the rooms are OK very clean, fully equiped, you'll not miss anything and I think Kamari is one of the best place to sleep in the island... etc etc
BUT...wherever you go you'll not have Vasiliki: she knows everithing ;-) she gives the best advices she takes care of everything she is The real PLUS for your relax...