Yes, reading scripts IS important. It’s a very different way of assessing their values and strengths (and weaknesses too). Here are some places where you can find free movie scripts: Sfy.ru, Indiewire.com, Simplyscripts.com, Dailyscript.com, Whatascript.com,… And at Premiumbeat.com some links that you already know…
A film blog about all aspects of filmmaking: screenplay, directing, editing, acting…