Apple Fan Sites Buzz with Talk of Photo-Ready iPod  SAN FRANCISCO (Reuters) - Is Apple Computer Inc. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=AAPL.O qtype=sym infotype=info qcat=news"&gt;AAPL.O&lt;/A&gt;  fine-tuning an enhanced iPod with roughly 50 percent more  storage and a color screen to display photos?