Try them out. If you like coding , they are good substitution for Courier New.
http://dejavu.sourceforge.net/wiki/index.php/Main_Page
Links to note
Free Activity Indicator Images for AJAX
There are few cool and FREE animated GIFs that can be used for AJAX activity indication.
Very Cool.
http://mentalized.net/activity-indicators/
Another one , but not sure if free to use.
http://www.sanbaldo.com/wordpress/1/ajax_gif/
And here is my implementation. Ajax