For sale is a WORKING PowerBook Duo 250, 18Mb RAM, 80Mb HDD running OS7.6 with Newer SCSI MicroDock, Macintosh PowerBook Duo Floppy Adapter, Macintosh HDI-20 External 1.4MB Floppy Disk Drive and Macintosh PowerBook Duo AC Adapter. The machine runs perfectly with a grayscale screen with NO DEAD PIXELS. Cosmetically 9.5 out of 10. The only fault I can find is that certain keyboard keys have to be pressed securely to show up on the screen. A RARE MACHINE. $ 100.00 postpaid CONUS. PayPal accepted. PM me if interested.