Best Spanish-Spanish dictionary?

Hi, I want to know which is the best Spanish-Spanish dictionary. The one that has the most complete definitions of the words.Thanks a lot.Best Spanish-Spanish dictionary?
This is the online version of the most prestigious one (The Real Academia Espa帽ola Dictionary):



http://www.rae.es/rae.html



edit: the upper textbox is the dictionary. The lower is for doubts about spanish in different nations.Best Spanish-Spanish dictionary?
Velasquez Spanish/English - English/Spanish Dictionary is absolutely the very best.Nothing else compares.Velasquez is the leader by far.