Michael Moorcock's Elric, Edgar Rice Burroughs' Martian Trilogy, Jack Vance's Dying Earth tales, especially the Cugel the Clever stories are great fantasy that I would love to see.  In the sci-fi genre the Lensman series by E.E. "doc" Smith, the World of Tiers by Philip Jose Farmer, DeathWorld by Harry Harrison, any Jack Vance space story, The Reality Dysfunction by Peter F. Hamilton and the Gil Hamilton tales of Larry Niven.