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markd - 1:40 pm on Jun 11, 2003 (gmt 0)
A combination may also pose some 'interesting' optimisation issues, not to mention geo-targeting options, which I still do not think SE's in general (let alone PFI programmes) handle very well.
As long as it's 'pay for inclusion', rather than some kind of psuedo 'pay for click or position' programme!