David,

>> Have you seen documentation anywhere of the minimum functionality required
>> for a language to run on the CLR and be cross-language subclassable? In
>> other words, if I as a language vendor wanted to turn my language ZorkPlus
>> into ZorkPlus.NET by targeting the CLR, how would I assess that possibility?

Yes, look in MSDN under .NET Beta Documentation->.NET Framework Developer Specifications (not for the faint of heart :-))

>> Fast, compared to what?

I guess the closest thing would be to compare the creation of a text file and compiling it under VFP? I have explored the sample(s) that come with the Beta but they create applications at runtime!

>> Maybe this weekend. :-)

What are you waiting for? :-)

Neil