>Ah, okay, as I read it, you propose that management should consider the scenario of replacing a complex system piece by piece, instead of following a Big Bang scenario. Well, that may be a viable option, under circumstances. I see (for now) 2 possibilities:
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>1) The GUI has a menu that calls modules. In a complete VFP application it calls APPs. Over time, more and more of those called modules will gonna be e.g. VB.NET modules. The last step is the replacement of the main application that ultimately only still handled the menu.
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>2) The application is n-tier and each such piece is replaced in a timeframe.
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>Both routes ideally require LINQ, right?

Absolutely not. The first option is not what most companies do. The second is an over simplification, but closer to something real. In both cases, LINQ does nothing to do with it.