Apply superfish enhancement to usual Genesis menus with different settings.

functions.php

<?php

// For Genesis 2.0.0 and later:

add_filter( 'genesis_superfish_args_url', 'prefix_superfish_args_url' );
/**
 * Filter in URL for custom Superfish arguments.
 *
 * @author Gary Jones
 * @link   http://code.garyjones.co.uk/change-superfish-arguments
 *
 * @param string $url Existing URL.
 *
 * @return string Amended URL.
 */
function prefix_superfish_args_url( $url ) {
	return get_stylesheet_directory_uri() . '/js/superfish-args.js';
}

// For Genesis 1.9.* and earlier:

add_action( 'get_header', 'custom_superfish_arguments' );
/**
 * Just before we start outputting, we deregister the default settings, and
 * add reference to our own instead.
 * 
 * @author Gary Jones
 * @link   http://code.garyjones.co.uk/change-superfish-arguments/
 */
function custom_superfish_arguments() {

	if ( genesis_get_option( 'nav_superfish' ) || 
		genesis_get_option( 'subnav_superfish' ) || 
		is_active_widget( 0, 0, 'menu-categories' ) || 
		is_active_widget( 0, 0, 'menu-pages' ) 
	) {
		wp_deregister_script( 'superfish-args' );
		wp_enqueue_script( 'superfish-args', CHILD_URL . '/js/superfish.args.js', array( 'superfish' ), '1.0', true );
	}
}

superfish.args.js

// For Genesis 2.0 and later:

jQuery(function ($) {
    'use strict';
    $('.js-superfish').superfish({
        'delay': 100,                                         // 0.1 second delay on mouseout
        'animation':   {'opacity': 'show', 'height': 'show'}, // fade-in and slide-down animation
        'dropShadows': false                                  // disable drop shadows
    });
});


// For Genesis 1.9.* and earlier:

/**
 * Apply superfish enhancement to usual menus with different settings.
 *
 * @author Gary Jones
 * @link http://code.garyjones.co.uk/change-superfish-arguments/
 */
jQuery(document).ready(function($) {
	$('#nav ul.superfish, #subnav ul.superfish, #header ul.nav, #header ul.menu').superfish({

		// 0.2 second delay on mouseout
		delay:       200,

		// fade-in and slide-down animation
		animation:   {opacity:'show',height:'show'},

		// enable drop shadows
		dropShadows: true,

		// Dropdown our menu slowly
		speed:       'slow'
	});
});

Shouldn't line 17
return get_stylesheet_directory_uri() . '/js/superfish.args.js';
('.' instead of dash)
?