Hi Fruber,
I hope the mods don't mind me chipping in here (it doesn't seem to be against the forum rules - my appologies if this isn't the case), but I just wanted to ask if you'd looked at Atomik Xport Personal Edition ( http://www.easypress.com/products/xportpe/ ), which is significantly cheaper than the Atomik Xport Standard and Developer editions, and has a batch process function which could allow you to dump a large number of QuarkXPress files into XML with pretty close to no configuration required (we like to call it 'one click XML'). It runs on Windows and Mac versions 4.1, 5, and 6 (including 6.5), and sounds like it could be just the thing for you - and would be a lot cheaper than getting a custom development done, it's also (I believe, unless the Quark prices have changed recently) cheaper than applying for the XT developer programme too.
If you've not already found an alternative, please give us a call on +44 (0) 20 7608 6690, and we can tell you a bit more about the software and solutions we can provide, which are already in use within many companies with content management workflows. . Also, we do take on custom XML-oriented development work (as XML is the company's main strength), so we'd be happy to discuss your requirements to see if we can find a solution for you.
However, if you do decide to do your own development you can get all the relevant information and application forms from here: http://www.quark.com/partners/xtdevelopers/desktop/requirements.html.
Regards,
Andy
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Andrew Dyer
Technical Support Manager
Easypress Technologies Ltd.