I know what you mean, I definitely know my wife wouldn't let me do that. Have you seen the new SVS 1000 series subs for $499.99? You can try it for 45 days and if it doesn't work you can returned them free of charge. I am thinking if I buy a second sub I will go with one of them. Here's the link:
By going with their specs they appear to be better than the RW-12D.