Couples Costumes For Halloween?

okay my husband and i always throw a halloween party and go all out with our costumes... this year we are having trouble decideing on a costume that matches and that is suitable for children to see(the party is kid friendly), we are usally the best dressed, and this year we are headed for the ideas like... tarzan and jane or mork and mindy, abbott and ctello or big bad wolf little red riding hood, can any give me an idea of a good not too scary couple costume idea, that is not very common around the lines of party city? thank you for your ideas and help...!!!