Maybe everyone knew this but me, regardless I found that removing the drop-shadows in iPhoto 2 greatly improves both scrolling and resizing of photos.
The option is under iPhoto > Preferences and granted, it doesn't look quite a 'aqua' but I'll take the speed gain over the pretty shadows.
The option is under iPhoto > Preferences and granted, it doesn't look quite a 'aqua' but I'll take the speed gain over the pretty shadows.