storage suggestions?

I've got to come up with a reasonably-inexpensive storage solution for
about a TB (usable) as cheaply as possible.  It'll be in a NAS setup,
perhaps with iSCSI stuff once what's available for Linux matures a bit (a
lot?  Everything I've found is nearly useless.)

This is really a two-phase question:

1) What can anyone recommend for a disk solution.  For
price/performance/reliability, does SATA make sense yet?  I've seen quite
a few SATA->SCSI direct-attached arrays (some with upwards of 24 disks)
that look quite promising, but do they really perform all that well?  Can
anyone recommend a specific vendor with a product that's rackable?  I'm
looking to spend as far under $10k as possible.  Both direct-attach and
server-plus-storage solutions are acceptable.

Basically, the problem is that I've never bought this sort of thing before
and I can't afford to have this one purchase be anything less than
adequate for the next 2-4 years.

2) I'm wary of using NFS, but wary of the complexity of filesystems like
OpenAFS, Coda, etc., and I'd like something as turnkey as NFS but with
better security and perhaps even block-level access.

Thanks,
  John
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