2046 A Film Odyssey: Article from Time Asia explores the making of 2046.
BeyondHollywood.com: Movie review, cast info, and picture gallery.
Hello Ziyi - 2046: Articles, pictures, wallpapers and soundtrack samples.
IMDb: 2046: Cast, crew, reviews, and plot summary.
MonkeyPeaches: 2046: Production news, pictures, trailers, and reviews.
Sony Pictures Classics: 2046: Official site from Sony with trailer, review excerpts, synopsis, and links
Wikipedia: 2046: Cast listing, international release dates, and extensive music credits.