The SL-6000 is available in three models and has a portrait orientation 4-inch screen with 480 x 640-pixel resolution. There’s a small QWERTY keyboard beneath the display. It is based on the 400MHz version of Intel’s PXA255 microprocessor and comes with 64MB of flash memory, of which 25MB is available to users for storage, and 64MB of RAM. Metrowerks’ Open PDA variant of the Linux operating system forms the software base. The SL-6000N has no built-in wireless networking; the SL-6000L has built-in IEEE802.11b wireless LAN and the SL-6000W has both wireless LAN and Bluetooth support. Each model measures 80 x 158 x 20mm and weighs about 260g. Primarily aimed at business users, the SL-6000N costs about $US840; the SL-6000L will go on sale on December 24 and cost about $US910 and the SL-6000W will be available from January 23, costing about $US1000. There are no plans to put the PDAs on sale overseas at present.