Also, is their picking based solely on technical indicators or are fundamentals also considered? If you have used this and other services and found others to be far superior, please mention them. Thanks!
No, I haven't used Gorilla Trades before. This is what I have been using:
http://bullsandbearsblog.awardspace.com
It's free! I have made money from the stock recommendations. You should also watch Jim Cramer's show Mad Money on TV on CNBC and Daily Business Report on PBS. They're free also.