As your issue is way out of my league! But FYI Liraz blogged about this sort of thing here a while ago. You may find his post (and/or some of the responses) of interest.
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I can't help much
As your issue is way out of my league! But FYI Liraz blogged about this sort of thing here a while ago. You may find his post (and/or some of the responses) of interest.