Oh yes, Mists of Avalon is something wonderful!!! (that's still in progress but i'm alreafy on page 626...)
AND Eddings... *nods* In my top three.
Katharine Kerr's books are also good. ^^
.. Now, I might add to my list there somewhere also I have read books from Douglas Adams... And Philip Pullmans Golden compass and the two others and theNarnia series.