www.cachya.com

Anyone sucessfully using or know anything about this cachya software. It is supposed to be IR4 type 6DOF head tracking and the free trial version lets you play with one axis at a time. After paying to upgrade to the registered version I cannot download the upgrade. Paypal charged me for it but I cannot download it (link just times out) and the email contact is not answering. The forums are locked too. It seems the only thing working is the "take your money" option. I am thinking I just wasted $15. 
