A good, albeit brief, overview of the Quentin's life and films. Seems to focus more on controversial bits than substantiated bits, but with a man as genius as Q, that's to be expected.
Quentin Tarantino's Wikipedia Page
Everyone knows the IMDB is the best source of info about films. I regularly check it out after I see a film. The pages can contain spoilers, but they always contain the most up to date and accurate information available in one convenient location.
Quentin Tarantino's IMDB Page