u will love it.its free and u can visit my other forums on ghost and aviation at
http://www.activeboard.com/forum.spark?forumID=45805&subForumID=
http://www.activeboard.com/forum.spark?forumID=45652&subForumID=
and...
http://www.activeboard.com/forum.spark?forumID=45659&subForumID=
please join there is only a few people there.