TWRoO on 18 January 2008
It is, along with many other things, on ioi's "to do" list.
I believe it wasn't done initially because of complications from Sonys fiscals, which have changed.
PS3 isn't so hard to sort out because only one 6month period is affected [5.5 'shipped' last fiscal] but the problem is what to do with PSP and PS2... afterall the 'shipment' numbers are likely much higher than what they should be. [Sonys old method counted manufactured models... now like Ninty/MS they count retail sales]
