Really am extremely curious for the GPU and afterburner prices... I suspect about 1000 for the Vega II and another 1000 for the afterburner. I’d be happily pleased if 1000 would get me even a Vega II Duo.
This thread started out about storage and that afterburner and GPU prices are covered in multiple other threads. It can get repeated here but there is really no new info that has leaked out to get to substantively different conclusions. [ I don't think those prices are going to be on the mark for Vega II just looking at the amount of HBM2 memory and the going rate for that kind of memory. ]
And the biggest question- do you think we’ll be able to purchase let’s say a Vega Duo or the afterburner later on separately straight from Apple?
The Mac Pro Tech Specs page has a 'Accessories and Kits' section. That is the stuff that will also be on sale. The Vega II's and Afterburner are there. There really shouldn't be much doubt and mystery here about availability for purchase later ( other than their prices ) . Those three ( two GPUs and Afterburner) are on the same sub-portion of the list as the XDR display.
The Promise Pegasus stuff is in the "Storage" sub-portion . I don't think Apple is going to put those in for folks. They will sell them on the site though and arrive in a separate box.