What's the difference between Addi Turbo n Addi Premium?

[skNYC]

look at this
http://cgi.ebay.com/Addi-Premium-5mm-US8-circular-Knitting-Needles-100cm_W0QQitemZ104750022144QQihZ020QQcategoryZ11799QQtcZphotoQQcmdZViewItem
pretty good price for an Addi circ? Is it different from a turbo?

[mulene]

I think premium is the euro name for Turbo. Not 100% sure though.