All the information I've posted is on comparing proper equipment. Never did I use the i7 series as a comparison. It's relevance has to do with how it and the SP Xeons are related (and happen to be priced the same per Intel's published quantity price list). That's it.The competition is stuff like Dell's Precision 7500 line, and they've remained perfectly competitive. You keep saying the "competition", but the competition for the Mac Pro is not the i7. It's the high end Xeon workstations, with which it remains completely competitive.
The Dell Precision T3500 is a compatible system with the SP MP, and the Dell Precision T7500 with the DP models (comparing this with an SP system is inaccurate). I've not used consumer systems as a price comparison. Go back and search the numerous threads, and you'll see that I compared it to Dell, HP, and Sun systems (all Xeon based workstations, not consumer grade i7 based systems, as the details in the PSU, ... matter, particularly the duty cycle they're intended to be used for).
This is opinion, not fact.For high end workstations, the Mac Pro is honestly the best machine on the market right now, and lots of people are buying it, even to just run Windows.
The usage pattern matters, so for some, other systems will be a better choice.
I've been in one, Yes. HP's, Sun's, and a few others too.Have you ever used a Precision 7500? Horrid, buggy machines with awful cases that are a PITA to open. The 7600 is supposed to be an improvement though.
It uses cables, so it won't be as clean as the MP. But you don't have to worry about burning up the traces on the main board due to exceeding the current limits if you want to connect up another graphics card either, as there's additional PSIG connectors which are attached directly to the PSU.
It all comes down to what approach the designers took; practicality/functionality first vs. placing industrial design (appearance) above function (aka Form follows Function design). Apple places more importance on Industrial design to the point it hampers functionality.
I upgrade when possible in order to extend the usable lifespan of my equipment. So the ability to upgrade easily is critical to me (not need to jump the moon to get it to work, or worse, can't do something that's possible on a multitude of other systems). This may not be that important to everyone, but it's a hallmark of the workstation market (and the details matter greatly as evidenced by the various questions of what can be added to the MP).
There's numerous reasons to get an SP machine. Usually based on the fact that the software used, and I mean professional applications, can't do n core multi-threading. It's a mixed bag right now, and there's plenty of information here in MR that the more popular application suites are limited as to their multi-threading capabilities (i.e. fixed core count if it's supported at all).The SP versions are kind of a gimme, and aren't really at all in the target market. Workstation users would never buy a single processor machine, except in limited circumstances.
The DP systems have their place, but they're not the only thing people need. Not due to the fact they don't care or wouldn't love to have one, but it's useless given their software usage. Hopefully this will change sooner than later, but it's not going to happen unilaterally before the enterprise grade Haswell parts show up.
Only for the DP systems, and if you really want an accurate price for Dell, HP, ..., call. You get better pricing over the phone.Again, compare to a line like the Dell Precision T7500. That's the target market. If you spec one out, the Mac Pro is extremely competitive.
SP compares with the Dell Precision T3500, and the DP systems the Precision T7500. HP has their lines, as do others. I actually like the Sun Ultra systems based on Xeons the best BTW (i.e. Sun Ultra 27 is the comparative model to the SP based MP's).You keep saying the Mac Pro is not competitive, but I'm not sure the Mac Pro is competing against what you think it's competing against.