You didn't give a lot of details about your application so this may
not be worth the electrons it was written with...

For a crude, one off, or proof of concept gadget with few other
constraints, consider tying together several photo-flash units.
You can often get them for cheap to free out of disposable cameras.
Depending on make/model they typically charge the flash cap to 150 -
200 volts. So string a few in series (all with separate batteries to
maintain isolation) and you should be able to hit the 1kV mark easy
enough. Available continuous current will range significantly
depending on unit and battery condition, but can be approximated well
enough with a stop watch measuring time to charge and capacitor size.

I personally _despise_ the "don't try this at home" mantra, but I'll
say this - be responsible for your own safety, this could kill you,
don't blame me if it does. :-)

-Denny
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