If you don't mind going low tech you don't need the split keyboard. Just use two usb keyboards, one for each hand. You can actually get quite productive that wa

If you don't mind going low tech you don't need the split keyboard. Just use two usb keyboards, one for each hand. You can actually get quite productive that way. I did this for a while before discovering kinesis keyboards. The downside is that it takes up more space, but it can be quite comfortable.