More iPad screen sizes unlikely to stop slump

Apple would be smart to make good on speculation about new iPad screen sizes, a pair of analysts said today.
"The tablet has evolved from a general-purpose device to more of a specialized device," argued Bob O'Donnell, chief analyst at Technalysis Research, when asked about long-circulating rumors of a coming expansion to the iPad line. "Certain sizes are better optimized for more specialized applications."
Talk of additional iPads -- notably one with a 10.5-in. screen -- has circulated for mon