scoreground.com (for sportscores) casinofruit.com reply247.com (a big forum) postageforce.com urlhitter.com (search engine, already starting to make this as an example site - see picture
I think scoreground.com could go for $500 or so. If a domain isn't built and just has a placeholder I think the value is 1/10th of wht it could potentially be. Same for urlhitter.com. I thought it was live, but placeholder as well....