Differences: - it's a split keyboard where you can move the splits separately - it uses standard keycaps so you can customize the keycaps - Kinesis

Differences: - it's a split keyboard where you can move the splits separately - it uses standard keycaps so you can customize the keycaps - Kinesis Advantage2 is a bit unwieldy for gaming. - Firmware is open source, I believe The Advantage2 might still be the best bet for ergo typing