you might want to read this thread:
http://www.moneytec.com/forums/f118/...e-price-19515/
and the book: the undeclared secrets of the stock market, or the updated version, master the markets by tom williams. one of the best books on/for trading around.
tick volume is and can be a powerful tool if you know how to use it through understand its advantages and limitations.
do some research into it yourself, and formulate you own opinion on the matter. I'm sure you will find you will not have wasted your time if you follow the above.
good luck