Redirect the Membership Account page to the bbPress User Profile.

my_pmpro_bbpress_profile_template_redirect.php

/*
	Redirect the Membership Account page to the bbPress User Profile.
*/
function my_pmpro_bbpress_profile_template_redirect()
{
	global $pmpro_pages, $current_user;

	//make sure PMPro is active
	if(empty($pmpro_pages))
		return;

	//make sure bbPress is active
	if(!function_exists('bbp_get_user_profile_url'))
		return;

	//Redirect the Membership Account page to the bbPress User Profile.
	if( is_page($pmpro_pages['account']) )
	{
		wp_redirect( bbp_get_user_profile_url( bbp_get_current_user_id() ) );
		exit;
	}
}
add_action('template_redirect', 'my_pmpro_bbpress_profile_template_redirect');