Well since no else has taken the plunge... here's the VGC comparisons...
Dark Cloud (PS2) - 1.23m (+0.04m)
Dark Chronicle (PS2) - 0.90m (+0.01m)
Dragon Quest VIII (PS2) - 4.99m (+0.09m)
Rogue Galaxy (PS2) - 0.77m (-0.01m)
Jeanne d'Arc (PSP) - 0.30m (+0.09m)**
Professor Layton Series (DS) - 8.78m (-0.40m)*
Inazuma Eleven Series (DS) - 1.41m (-0.13m)*
Atamania Series (DS) - 0.35m (-0.09m)*
White Knight Chronicles (PS3) - 0.36m (even)*
Dragon Quest IX (DS) - 4.17m (+0.02m)*
TOTAL (all) 23.26m (-0.38m)*
*shipments don't reflect Q1 2010 while sales do
** VGC sales don't include Europe (overtrackaton!)
...overall it came out pretty close. Undertracking L5's own DS games sort of counterbalanced overtracking Sony/DQ games.