A little bookmarklet which removes tweets starting with a @ from the Twitter timeline.

strip_replies.js

// Thanks to @defunkt, you can find a draggable version of this bookmarklet here: 
// http://bookmarklets.heroku.com/bookmarklets/1796

// If you prefer to create it yourself here is the one-line version:
// javascript:(%20function(%20$%20){$(%20%27.tweet-text%27%20).each(function(){var%20$this%20=%20$(%20this%20);if(%20$.trim(%20$this.html()%20)[%200%20]%20===%20%27@%27%20){$this.closest(%20%27.stream-item%27%20).fadeOut();}});}%20)(%20jQuery%20);

// And if you really want to start from scratch:

( function( $ )
{
    
    $( '.tweet-text' ).each(
        function()
        {
            var $this = $( this );

            if( $.trim( $this.html() )[ 0 ] === '@' )
            {
                $this.closest( '.stream-item' ).fadeOut();
            }
        }
    );
    
} )( jQuery );

Love it! Made it into an easily draggable bookmarklet: http://bookmarklets.heroku.com/bookmarklets/1796

@defunkt: Thank your very much for the draggable version. Glad you liked it!

Here is another version which does the same in live. It is also toggleable.
https://gist.github.com/720748