Which stock scanner is the best?

Can anyone recommend a good stock scanner? Thanks!

 

These are free:

http://finviz.com/screener.ashx

http://www.prophet.net/

http://www.stockfetcher.com/ui2/index.php

http://stockscreener.info/mds

 

For real-time scanning I use Trade Ideas. Very satisfied.

http://www.trade-ideas.com/

 

any other good real time scanners? I want to compare them and choose the best one?

 

madscan.com
stockscreen123.com
tradestation.com
google search "whisper resellers"