[tweet https://twitter.com/9to5mac/status/212275242318561281]

Update: MacRumors received a tip from a reader who claimed Apple’s CEO Tim Cook responded to his email to confirm new Mac Pros are coming next year. We received a tip last year detailing a similar email exchange between a Pro customer and the late chief Steve Jobs. Cook’s response to the reader is below:

We were not too shocked when Apple quietly updated its Mac Pro lineup following its WWDC keynote yesterday. We had previously revealed the spec-bumped Mac Pros, but many were skeptical Apple would release such a minor refresh for the product that otherwise had not received an update in two years.

Was it really an upgrade, or did Intel simply run out of the older CPUs? USB 2 and no Thunderbolt seem like a bad joke to high-end Mac Pro users.

Not surprisingly, many are calling out Apple for its decision to not release a major refresh to the Mac Pros. Perhaps most notably is former Apple engineer and current Google employee Andy Hertzfeld. In a Google+ post, Hertzfeld congratulated Apple on its new Retina MacBook, while expressing disappointment in the new Mac Pros:

As for complete refreshes for the iMac and Mac Pro lineups, David Pogue for the New York Times claimed an Apple executive confirmed they are in development and likely set for a 2013 release: