I thought the news on Broadwell pointed to more tablet oriented parts at the end of the year, with laptop parts next year and desktop parts in July 2015 or so? Regardless, I wouldn't expect the Mac Mini to be the first in line to get Broadwell, and definitely not for a mid-2014 machine (if the leak pans out), so I wouldn't expect one till later next year.Broadwell based Core M will be available in the Fall. You're presuming that Apple is going to keep the CPU performance at the same equivalent level. If they decide that current levels are "good enough" they can transition to cheaper, lower TDP CPU package products.
Sure, but at a cost either in money or capacity as you've noted, plus that was just speculation, we might not see PCIe flash in a mid-2014 model at all. I was just saying how it could potentially differ in keeping with a leaked quote that suggested the current models may still have advantages.PCIe flash storage blows away any current HDD RAID-0 performance.
Also, I was really referring to server users, and probably should have focused on RAID-1; after all in a server environment I think redundancy wins over raw performance, plus even a RAID-1 of good 2.5" SSDs still delivers strong performance compared to HDDs.
Sure there'll be users who want pure performance, and for whom redundancy isn't a big concern provided they have backup(s), but I was responding to a quoted source, possibly about the new Mac Mini, that mentioned that the current model may retain some advantages. I was really just suggesting why that may be, as while a switch to PCIe flash (if it happens for the next update) would be a distinct advantage for some, it wouldn't be benefit for anyone that wanted a machine capable of redundancy out of the box.
Well I couldn't find any numbers so I really don't know, so I can only talk from my own experience; but for me the appeal of a Mac Mini server is that it's small, and reasonably capable on its own, without the need for additional peripherals, allowing you to fairly easily assemble a small cluster of independent machines each with its own internal (albeit software) RAID-1.RAID 1 probably isn't a huge market. For servers a revision of Mac Mini enclosures like the Sonnet xMac (http://www.sonnettech.com/product/xmacminiserver.html) can easily solve two 2.5" bays or two M.2 sockets.
Otherwise if you're going to start adding things in addition then you might as well just got a proper rack-server.