I wear different hats for different domains. Your not going to learn any black hat tips worth much on public forums though.
hey NY times uses cloaking and it's fine, serving the spiders it's news stuff and the users login pages, that's a classic no no but there fine I remember Matt Cutts actually says Cloaking is ok for some instances such as Geocloaking
black hats are being hunted and kicked off the top pages by scary Penguin Update, so everyone are saving their businesses by becoming whitehat