It does look like there are some bugs in the system ;) I just purchased it about twenty minutes ago from Mobihand and while I got a confirmation email from them almost instantly
Order Detail:
CorePlayer For Windows Mobile/PocketPC
Registration Code (Key): Not Required
Download: Go to the download page (Full Version)
Product Support:
support@corecodec.com
I have received nothing from the Coreplayers sight. Also tried to manually register on your site and have not received a confirmation email for that either. I have checked my junk email folder also and it is not there.