SALES UPDATE:
Currently in Japan (JAN 12, 2012)

[PS3] 07. Final Fantasy XIII-2 (Square Enix, 12/15): 35,325 (739,561)
*Weekly sales italicized and Lifetime sales Bolded.

CURRENT US PRE-ORDER NUMBERS:
PS3 version stands at 242,386 with 43,374 added last week. 360 pre-order numbers reached 78,482 with 9,572 added last week.

FFXIII-2 VS FFXIII PS3 Pre-orders:


Source: USA Pre-Order Chart - VGChartz