> I don't know how well the Retry button idea would work, though, because
> the installer is already doing that behind the scenes, trying out
> different mirrors (or at least, it should be doing that...)

Since the desktops of my system are still hosed, I decided to aid recovery by 
downloading a 'live CD' .iso file.
So I told the web dialog that I'm in the United States, and it proceeded to 
download at a data rate of 15-20 kbps, with an expected completion time of ~15 
hours.  I aborted the download, thinking that maybe mirrors in some other 
country wouldn't be so busy.  My lucky choice was Finland, which sent the file 
over at ~500 kbps! 

This result implies than any Ubuntu mirror load balancing is within the
chosen country, rather than worldwide.  There may be policy reasons for
this, but the results are pretty bad for people in the States, and it
could happen in other countries with a shortage of mirror bandwidth,
too.  The obvious suggestion is to do load balancing against all sites
worldwide, rather than for a specific country -- or some variation of
that, e.g., monitor all mirrors and report to the user which mirrors (or
countries) are least loaded.  This could make for much better (balanced)
mirror utilization -- and happier users.

I have recently done several major updates to my Win Vista system, and
while they were pretty slow (1-2 hours for the full upgrade), the
experience was fairly painless.  I apologize for making the comparison,
but I view them as the competition, if not the enemy, and it's what I
actually experienced.

Anyway, thank you for your comments and suggestions.  I really
appreciate it.

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Upgrade to Kubuntu 9.10 failed because site became unavailable
https://bugs.launchpad.net/bugs/464087
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