Why an Updated iMac Is Worth the Wait
Rumors abound that Apple's popular all-in-one desktop computer is set for an update in May, complete with Sandy Bridge processors from Intel and a new Thunderbolt port. It's an upgrade that's worth waiting for, maybe more so precisely because the iMac is a desktop.
Source: http://gigaom.com/apple/why-an-updated-imac-is-worth-the-wait/