tokens in visual studio: HACK, TODO... any other?

what tokens do you find useful in visual studio? (visual studio 2010 → environment → task list → tokens)

currently i have only:

• HACK - low
• REVIEW - high
• TODO - normal
• WTF - high

(only these - deleted some default ones)

are you using any others?

are you covering any other important thing with comment tokens?

any best practices? thnx

Here's the ones I use:

• TODO: the functionality is not yet implemented
• FIXME: the code should be modified/refactored to achieve some goal (higher maintainability, better performance, and so on)
• BUG: the code has a known bug