Links:

Entertainment in DC (from the pages of Sidewalk.com)

Snowboarding in Utah!
 
Weather report for DC (as provided by USA Today)

Music:
 
         
(The Ultimate Band List)

Bicycling:

MTB Info and MTB Review both provide product advice (reviews), as well as bulletin boards and other interesting items (I prefer MTB Review, their reviews seem to be more comprehensive, and have a larger sample of people).