It's reasonable to take the speed hit in order to make it more useful to more people, but the UI seems to be designed with fast searches in mind (for which it'd

It's reasonable to take the speed hit in order to make it more useful to more people, but the UI seems to be designed with fast searches in mind (for which it'd be perfect), rather than for the necessarily slow searches that actually happen. It'd be a lot nicer to use if you typed your query and something happened to reflect the immense amount of stuff going on behind the scenes rather than just sitting there for a few seconds...