Silicon Graphics Inc says its 250MHz R10000 Octane workstation is priced from $17,500. The 300MHz R12000 system begins at $20,000. It trade-in programs offer a credit of up to $7,500 toward the purchase of a new Octane when they trade in any competitive Unix system. Customers can get additional credit of up to $2,000 when they trade in an SGI Indy or Indigo2TM system (CI No 3,605).