Source : macdaddyworldGlen and Ken from macdaddyworld discovered that the integrated iSight in Santa Rosa-based MacBook pro is a new camera with enhanced specifications. The sensor is now featuring a 1280x1024 pixels resolution vs. 640x480 pixels for previous MB Pro and current MacBook.
iApps are currently not taking advantages of such enhanced resolution and one will probably need to wait for Leopard or for an iApps-dedicated update (maybe after iPhone launch?).
[translation by Linathael]