It\'s functionality is so strong that I worry about its stability and performance.
What do you think?
UPDATE
What I\'m doing is this:
Well, considering its name, I'm not sure I would use it as a "normal" part of my application -- even though I don't remember having read anything which said that it was either good nor bad.
I don't really know what you mean about "serious usage", but :
Though, not sure that "error logging" corresponds to your definition of serious usage ?