Any of his books in the Forgotten Realms series were enjoyable - just good old fashioned fantasy. He's one of my favorite Forgotten Realms authors.
His Drizzt the Dark Elf books are his finest work. I also enjoyed his Cadderly the Cleric books (not actual title - just go to Amazon.com and do some research and read the reviews by readers and take them with a grain of salt (as you should with mine - our tastes may differ).
That said, I haven't liked any of his books outside of Forgotten Realms - I really tried, but they just didn't do it for me. I wanted to like his Crimson Pirate one, but I put down the book after a couple of chapters - it was amatuerish and plain crappy.
The first book in his other series, the DemonWars, was better, but I really found myself finding something else to read.
Salvatore + Forgotten Realms = great fun
Other stuff, sadly just doesn't keep me interested.
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'Lo, there do I see, the line of my people, back to the beginning, 'lo do they call to me, they bid me take my place among them, in the halls of Valhalla, where the brave...may live...forever. X-Box 360 Gamer Tag - Smogster