I feel more than often than not, the people who want Apple to redesign the Mac Pro to something sleeker and smaller have both never owned a Mac Pro nor will.
For the size of the machine, it's actually not as efficient as I'd like. With Apple acoustics tend to win over things like optimal cooling in all areas. The drive bays do get warmer than I'd like. The machine is weak on features. Four internal bays isn't exactly a lot. SAS and eSATA have always lacked native support. It's actually quite expensive for how limited it is before upgrades.
TB won't require a redesign of the case though (redesign the I/O plate is all they'd need to do).
There's also the cost factor to consider. It's expensive to retool the assembly line that produces the cases for a product that only sells ~76k units per year. This is primary reason the existing case design has lasted as long as it has (they weren't forced to perform a redesign). They've only redesigned the internals where needed as a means of reducing the costs.
I'm wondering where you got that figure. Was it calculated from known volumes and percentages relative to other lines? The mac pro has been in decline for quite a while.
At the moment I'm sort of in debate over what I'll buy next. TB may be just enough to get me into an imac if it sees better third party support next year. The mac pro never had enough internal expansion for me anyway. Even with 2TB drives in three slots and an SSD boot I'd still require backups. They get pretty hot in there too.
I'm wondering how AIOs are still doing well. I can only guess they tend to leverage the prosumer market. SSDs and thunderbolt are actually solving some of the huge bottlenecks inherent to laptops outside of heavy computing. At that point what stops people from plugging in their laptop to a larger display if they need it rather than buying an AIO to accompany it (assuming they'd own a laptop regardless). If they do need ECC memory (thinking basically cad users here) and the fastest possible processors or graphics options available, an AIO wouldn't work anyway.
has anyone considered that maybe apple is introducing a low end Mac Pro, single processor, 2 drive bays, 2 PCIe (single slots), 1 optical drive bay.
and then they keep the current design for a dual processor Professional workstation
Just saying it could be possible
That wouldn't affect the starting price at all. Maintaining two different designs wouldn't help. Apple raised the price so it wouldn't conflict with the imac anyway.