Amazon.com: Compatible Atmel AT AVRISP mkII AVR ISP mk2 USB MCU AVR XMEGA In-System Programmer Studio 4/5/6 ISP PDI interface @XYGStudy : Electronics
AVRISP MKII: Unable to enter programming mode. | AVR Freaks
Amazon.com: AVR ISP in-System Programmer Compatible with at AVRISP mkII from ATMEL Support All AVR Devices with ISP or PDI Interface Support AVR Studio 4/5/6/7 : Electronics
AVR Programmer Modelled After The MkII – Uses LUFA | Hackaday