Note that.NET and JVM have been built with a focus on static languages like C# and Java.
As far as I know Parrot is a register based virtual machine and should be especially suited for _dynamic_ languages like Perl, Python, Ruby,...
Time will tell if the theoretic advantages here will result in a better real-world performance as the other VMs.
If you like vim, take a look at pida which is an IDE built around vim (although there is also emacs support).
Note that .NET and JVM have been built with a focus on static languages like C# and Java.
As far as I know Parrot is a register based virtual machine and should be especially suited for _dynamic_ languages like Perl, Python, Ruby, ...
Time will tell if the theoretic advantages here will result in a better real-world performance as the other VMs.