Well, it's always nice to have people drop by. We don't see much traffic here. But since Lucene's part of the apache.org collection of projects, I think I'd ask over Here (Other Open Source Products).
Customer surveys are for companies who didn't pay proper attention to begin with.
I agree. Here's the link: http://ej-technologies/jprofiler - if it wasn't for jprofiler, we would need to
run our stuff on 16 servers instead of 3.