By the way, don't take the criticism about your posts to seriously. I think people are just joking with you.
Believe me, if my C860 was having the issues you described when I first was using it, I would be ALOT more frantic than you.....trust me on that one !!
Unfortunatley, it is late and the board might be a little slow now, so if you don't get any feedback and help tonight, just come back tommorrow and re-add a reply to THIS thread (don't create a new one) and it will BUMP to the top of the stack and you should get alot more help from alot more sources.
Not meaning to offend the people offering help tonight, just saying that someone else may have seen the same issue as you and a wider audience and more minds generally lead to a quicker solution.
$900 buck is alot of money, we all feel your pain...but we all also know that experience has generally shown that these things are *ussually* not hardware problems (thank goodness) but more often just a bad download or incompatible CF card, etc.
For example, I have one cheap CF card that only works every 10 inserts or so...the rest of the time is only recognized as "Anoymous memory" or some such thing....and doesn't let me read or writte to it.
It unfortunate that the Z requires the first thing you do to be to FLASH a new ROM, which while relatively simple, can be maddening if something goes wrong.
But beleieve me, if anyone can help you out, it is the knowledge-base of the people in this forum. You just might need to wait until tommorrow to get some more points of view. It is very late where I am, so I may be calling it a night as well.
If my suggestions don't help, just let it go for now and get some rest. In a few hours the UK guys will be up and about....and then in about 8 hours the US guys will be up...so more help is on the way