Wow dragonmts, I agree, in the US it seems to be only $100 price difference:
HD800: U$1,599
HD800-S: U$1,699
http://www.wooaudio.com/headphones/
Can only assume Audicoonline / Sennheiser SA still has stock of the HD800 at the old Rand / Dollar exchange, in which case, the old HD800 looks...