I have been thumbing through some David Weber and some David Drake over on Baen, and I am enjoying both authors. we could begin to discuss classic sci fi novels again, but you might as well dig up the old thread for that.
if philosophy is an interest, there is a brand new translation of Sun Tzu out. Also, I think some publishing house has been working on a compiled and newly commentated set of Nietzsche's stuff.
im not a big S.King fan, but a book containing the complete works of Poe probably would not set you back more than 30-40 bucks or so, and its not like hes going to pull a 'Douglas Adams' and write one more book on you, invalidating your compendium. you can also sample most of Lovecraft's stuff for free at
http://www.gizmology.net/lovecraft/index.htm
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"...the green, sticky spawn of the stars"
(with apologies to H.P.L.)