If there are that much customization done i think the best option for you is either DB attach or 3rd Party Tool. The customization that was done will have to NOW adhere to best practices in SP2010 to give you the intended effect you had in MOSS and take
this as an opportunity to get squared away.
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Fabian G. Williams | Twitter @FabianWilliams | Blog http://www.sharepointfabian.com | Email: email@example.com
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