This update offers a brief view of IDC's external disk storage systems forecasts by storage price band. A more detailed set of market forecasts, definitions, and forecast assumptions can be found in IDC's Western European Disk Storage Systems Forecast and Analysis, 2005-2010 (Doc #RS01N). IDC has compressed the normal nine storage price bands into five within this update. A pivot table containing cross sections of price bands and installation environments (SAN, NAS, and DAS) is available to those that have purchased this update or subscribe to IDC's European Storage Systems continuous information service. Please contact the author of this update for a copy of the pivot table.