Agreed. Even if we can't do a scrolling tool tray, why can we not have duplicate items "stacked"? ie: when you buy a mango, but don't use it, and another shows up, put them both in the same slot with the object and, say, a number in the top right corner indicating how many you have available.

Also, it would be nice to be able to change outfits without losing the previous one. Even if only for the current generation.