Electronic mail address for contact about technical issues, upgrades, etc.
All prices listed are in U.S. dollars.
All payment must be in U.S. dollars. The requirement that it must be drawn on a U.S. bank often causes confusion, but in practice is not as hard as it sounds. The main point is that the check that is sent must be able to be processed by a U.S. bank without manual intervention. Some credit card companies can issue appropriate checks charged against your credit card. Many countries have International Postal Orders that work fine.