Seriously Scott it would just be worth it to borrow some one elses. I only use mine, maybe, ever 5-6 months. Just when i need to change my filters.
But if you want to buy one i am looking at getting some replacement filters around the 15th of july so you can jump in on that.
http://cgi.ebay.ca/AQUA-SAFE-TDS-MET...QQcmdZViewItem
Let me know
Steve