Yes, you can submit your panel ideas now! check http://www.Fanime.com/events/panels.html for more details.
the forms are up, but your link right here is broken. :P
Heero delivers. (http://www.fanime.com/panels_files/panels.php) :)
http://www.fanime.com/panels_files/panels.php (http://www.fanime.com/panels_files/panels.php)
That's the link to the current location of the Fan Panel request form. (Transparently, since Heero gave it too.) The forms got moved, that's why the old link doesn't work right now.