According to DVDfr.com, Universal Pictures released another steelbook in 2-pack, Pitch Black & The Chronicles of Riddick (France) Blu-ray SteelBook™ is scheduled for October 13, 2009. This will have 2 films in one steelbook case. According to the spec, both are region free with English 5.1 DTS Master Audio and English SDH. To read more about this, just go to DVDfr.com.
Over at Amazon.fr, the price is €23,40 with VAT removed plus €10,90 standard shipping. Total is about €34,30 shipped and the shipping seem to be pretty high, so we must use Group Buy to keep to get the lowest shiping as possible.