The 6th generation iPod could well borrow the look and full screen without a button on the iPhone, Is défférenciant coup by the absence of telephony features. That is the rumor that seems have noticed the site AppleInsiderGenerally well informed.
But as noted by the site, the launch could happen fairly late in 2007, even in 2008 it did not hit with the launch of the iPhone, which will be difficult to differentiate potentially lowering the value and impact of the telephone.
The article also indicates that the next iPod could leave the hard disk storage for use as flash memory (32 Gb anyway). This could be to bring down the price of memory noticed recently and assigned to Apple and the iPhone. There would then be the effect iPhone but also the effect 6G iPod?