Where can buy a good AVR JTAG ICE MKII ?

Hi everyone I’m a new one here and i want buy JTAG ICE MKII

I find 2 cheap JTAG ICE MKII .Does anybody use the yet?Thanks

AVR JTAG ICE MKII CN

http://enshop.avrvi.com/avrjtagicemkiicn.html

AVR JTAG ICE MKII clone

http://enshop.avrvi.com/jtagicemkiiclone.html