[NEW] CSS bundle: Code Completion for CSS. Parses your current document for IDs and Class names that have been used already and a static list of HTML tags. CSS properties from the existing property completions list. CSS Property Values from all of the HEX colors used in the current document + all of the standard CSS Property Values that the current CSS syntax supports. (Thomas Aylott)

[From the release notes of TextMate revision 1360.]

Thanks Thomas!