Each person's needs will be different. In my case, .Net is the direction we're going. IMO, at this point in time, Java or .Net is better for a large corporate environment than OpenSores.

>One should also be open to look beyond .NET as well. Java/Oracle is typically more accepted at large corporations than C#/SQL Server. Python/Perl/Ruby on PostGreSQL/MySQL are free open source alternatives. For very large data volumes (billions of rows of data) one should consider SAS or Teradata.
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>Bottom line: if you are thinking of moving away from VFP there are other options than just .NET. So be sure to consider alternatives to Microsoft and think about helping your career instead of helping Microsoft.