In teh first round a quick comment on 5)
We cannot help it! Those systems are controlled by the paymanet processor (RegSoft). It is true that the systems that handle PayPal have been problematic in periods.
You can always go here:
http://webyog.com/en/download_latest_sqlyog.php
We DO NOT WANT to administer payment systems ourselves!
But we are in the process of setting up a true 'customer portal'.