Cisco Plans to Accelerate New Product Offerings  NEW YORK (Reuters) - Cisco Systems Inc. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=CSCO.O qtype=sym infotype=info qcat=news"&gt;CSCO.O&lt;/A&gt;, the  world's largest maker of gear for directing Internet traffic,  plans to offer twice as many new products this year as ever in  its history, its chief executive said on Wednesday.