[DanielN]

Guys there is an easy way around your problem. if your results are as good as you say they are then its just a matter of tweaking your ux. offload the result delivery to email and pubsub the actual search. If you have thought of this I would be interested in hearing why it doesn't work. If not then please at least include it as an option.

[nedwin]

Not sure if this would work for them but it would definitely deliver a shitload more emails for their database.