This has been requested before
The difficulty is in parsing the results from any site you might scrape. That involves quite a bit of regexing, and wouldn't be easy to implement on an ad hoc basis.
If you want to see what I mean, just search on Newzleech, then look at the html source. Now think of what Allt.Binz needs to do to recognise what is valid info and what isn't, and then how to organise it into usable data.