Trade Ideas offers a 7 day trial of the service. You have to register a credit card with Paypal to get it, but you can cancel without charge anytime during the 7 days.
they also hand out a free version of an alert window, called Free High/Low Ticker:
http://www.trade-ideas.com/View.php?O=3_3d_0&WN=FREE+High/Low+Ticker
Other free sections of the site include snapshot reports of technical analysis research:
http://www.trade-ideas.com/SingleSymbol.php?symbol=DELL&more=1
And scans of all their alerts:
http://www.trade-ideas.com/SingleAlertType/
I admit I am biased.
they also hand out a free version of an alert window, called Free High/Low Ticker:
http://www.trade-ideas.com/View.php?O=3_3d_0&WN=FREE+High/Low+Ticker
Other free sections of the site include snapshot reports of technical analysis research:
http://www.trade-ideas.com/SingleSymbol.php?symbol=DELL&more=1
And scans of all their alerts:
http://www.trade-ideas.com/SingleAlertType/
I admit I am biased.