VLC 1.1 was just released, adding hardware acceleration on Windows Vista, 7, and Linux (no mention of the Mac just yet), along with a general 40 percent speed boost from a massive code cleanup. A new ...

I've heard of (and even sometimes used) video players like VLC when Windows Media Player prompts me to download "new codecs", but I've also heard people talk about codec packs like K-Lite, Shark007, ...