Here's an article where the source says he has always thought that Macs wouldn't be updated with SB until June:
"Apple is also thought to be using Sandy Bridge for some upgrades, but Reitzes has believed Apple's new Macs incorporating this technology would always start to ship in the June quarter. As a result, Reitzes sees little to no meaningful impact on Apple from the delay and noted that PC's only account for about 14 percent of HP's EBIT."
Will Intel Miscue Impact...
"Apple is also thought to be using Sandy Bridge for some upgrades, but Reitzes has believed Apple's new Macs incorporating this technology would always start to ship in the June quarter. As a result, Reitzes sees little to no meaningful impact on Apple from the delay and noted that PC's only account for about 14 percent of HP's EBIT."
Will Intel Miscue Impact...