The Proline Runs about $1200 and includes Domestic and asian coverage: here's the website:
http://www.autoenginuity.com/order.html
Pro-Line ScanTool Bundle
#SP01 - Includes:
• USB ScanTool (ST05)
• ProLine Interface (ST06)
• Enhanced Ford Expansion
• Enhanced GM (with CAN D) Expansion
• Enhanced Chrysler (Full) Expansion
• Enhanced Toyota Expansion
• Enhanced Nissan Expansion
• Enhanced Honda Expansion
• Enhanced Mazda Expansion
• Enhanced Hyundai/Kia Expansion
• Enhanced Subaru Expansion
• Enhanced Mitsubishi Expansion
• Enhanced Isuzu Expansion
If you don't need that much coverage you can just buy the OBD-II hardware and then add the enhanced software for the carlines you want as you need it.HTH