Adafruit 6-pin AVR ISP Breadboard Adapter Mini Kit : ID 1465 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
5pcs 10 Pin To 6 Pin Adapter Board Connector ISP Interface Converter AVR AVRISP USBASP STK500 Standard Geekcreit for Arduino - products that work with official Arduino boards
Batsocks - AVR ISP Header Pinouts
10 and 6-pin AVR Programming Cable - Solarbotics Ltd.