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[Discussion] .NETv3.5 or .NETv4
.NET v4 is out for some time now and I want to vote for porting MWv4.9 to .NETv4 and try to use the new features as much as possible.
Parallel programming should be much easier and also using a touch enable device, like a tabletPC or the new multi-touch mouse pads on laptops.
A new version of C++ is also under development. It might be worthwhile to investigate that as well.