In response to the Maverick Philosopher's comments on John Gardner's comments on fiction and philosophy, D.G. Myers has two excellent posts on fiction as an expression of the human intellect:
The Literary Fuzzhead
Plot and Thought
As any longtime reader would guess, this is a subject on which I feel strongly, and I incline more toward Myers's view. But I haven't looked in any great detail at the subject here, beyond making a few minor points here and there in fairly limited contexts.