HSCTI has a new addition to the water optimizing line. You can learn all about it at the following link:
These coasters have an all new look and almost twice the chi output of the AO 1100. They are available in several color combinations and designs. Some of the combinations can be seen on the link above. You can email about available designs/color combinations through the contact form on the site.
The cost is $195.00 for one coaster, $495.00 for a set of 3. The order form is available here: http://www.chicoaster.com/c_order.html