i may buy a projector that i see in Clearance i like to know who has doing that so far ?

I'm not sure I understand your question exactly, perhaps you could provide us with some more information?

In general when an item goes on "clearance" it means that the store is just trying to get rid of it for anything they can get. If it's a "big box" store they usually do this merely because the product is outdated but is otherwise fully functional. If this is the case you're almost sure to be satisfied with it.