named routine alternative to redirect_to

according to http://www.rubyonrails.org/deprecation redirect_to is
deprecated. My logs say that "Instead you should use the named route
directly,"
But if i have an action such as

def action
end

i thought that calling redirect_to :action is different from just
action(). redirect_to :action actually sends a 302 redirect while
action() just executes the method. Am I wrong? Any thoughts?
Thanks

--Andrei