For reference the IE issue is detailed more in this thread, it should only affect ssl connections:
showpost.php?p=47125&postcount=6
We will gladly create a ticket for you if we need to exchange any info or files privately. Were you able to get past your issue with the web charts? Please explain what issues you are currently facing, you mentioned in the previous post that you have been successful in making test purchases. Are you having any trouble in the admin area concerning the transactions you have made?