Getting steady 503 errors when trying to execute user searches. I know my OAuth signature generation is working because I can post tweets and read timelines.
http://api.twitter.com/1/users/search.xml?oauth_consumer_key=[REMOVED]&oauth_nonce=9431003&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1267153135&oauth_token=46250708-a4j7vouEUIK3Ro89mpHo8pcRUh8eUmtjeKsBUQDQS&oauth_version=1.0&page=1&q=Duane%20Roelands&oauth_signature=zR3Rd%2FeA1tubrjNzMxsb6NxM2D0%3D
