ceool.com is not worth $1,500 or even $15 IMHO. Ok maybe $15 but not much more.
From an end user perspective, it's not a real word or even a great fake one and as such CEOol not really a brandable word and that makes it pretty much valueless however domain resellers have different criteria and that may consider the domain to be of some value.
Estibot seems to like it. It gives it a value of $411.
Leapfish says $5,952 but much of that seems to be based on the backlinks, archives, etc.
The domain goes back to 2002 but never seemed to have any sort of domestic development so that may hurt american based end users considering purchasing it based on the backlinks/PR.