Speaking with RedUser.net forum member Drew Baird, Mac Pro project manager Douglas Brooks said that Apple is currently "doing something really different" with the Mac Pro.
That's pretty much all we have to go on at present but with WWDC kicking off next week, we're expecting to find out more very soon.
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Something "really different" could refer to the design of the tower which has remained fairly slow and steady for several years.
But it could just as easily mean souped up innards - Baird told Brooks that he wanted expandability for extra graphics card support and memory expansion on his new tower, to which Brooks replied:
"You are going to be really glad that you waited [to buy a new tower]. We are doing something really different here and I think you're going to be very excited when you see what we've been up to. I can't wait to show this off".
The conversation took place "a couple of months ago" so it's not outside of the realms of possibility that these exciting new updates are ready and raring to go for a WWDC 2013 reveal.
We'll be bringing you all the Apple news as it breaks, so stay tuned for our coverage which kicks off on Monday June 10.
Check out our predictions for WWDC 2013 in the video below: