RIM Launches BlackBerry with Revamped Keyboard  TORONTO (Reuters) - Research In Motion Ltd.  &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=RIM.TO qtype=sym infotype=info qcat=news"&gt;RIM.TO&lt;/A&gt;&lt;RIMM.O&gt;, which popularized wireless e-mailing with its  thumb-operated BlackBerry, launched a new version of the device  on Wednesday with a smaller, revamped keyboard.