Well, I'm currently paying $98/month, but that's because I got a lifetime membership (which, unlike the title suggests, can be cancelled). I also had to pay an additional $2800 up front, which means I only start saving money in contrast to the normal $324/month after a year.
I've been taking a break for a few weeks so I'm not aware of the current prices, but I could check it out when I go back this week.
Oh, and I forgot, I get an amazing 10 free towel uses