On my mid-range laptop, this view builds a list of 10,000 objects in 0.1 seconds, as opposed to a normal ObjectListView which takes 10-15 seconds. Lists of up to 50,000 items should be able to be handled with sub-second response times even on low end machines.
A FastObjectListView is implemented as a virtual list with many of the virtual modes limits (e.g. no sorting) fixed through coding. There are some functions that simply cannot be provided. Specifically, a FastObjectListView cannot: use Tile viewshow groups on XP