The PI Engineering XD-03-USB keyboard is not selling at Retrevo any longer.
Customers who are shopping for a keyboard today are looking at the following popular models.
PI Engineering x-Key 20 Key Programmable Auxiliary Keyboard for USB (Mac)
X-keys Destkop Overview, Features, and Description. Intel Core i3-3220 3.3GHz 4GB DDR3 SDRAM 500GB Serial ATA Hard Drive Intel HD Graphics 2500 DVD±R/RW DL ...