Objective C is not in the list but I doubt that Objective C would be much faster then Java if you actually use Objective C and not just a plain C subset. And Scala also runs on the JVM and is also quite fast and it is a very nice, modern language which is not clumsy at all.
C++ with a good library like Qt (which is LGPL now) offers many of the advantages of Objective C. In addition it is possible to program both abstract and fast in C++, which is not possible in Objective C. Just try to write an efficient and easy to use vector class in Objective C (not using plain C). I doubt that you can get it really performant.
That being said, Objective C is a nice language and I do not say it is not a good alternative for server side programming. I just do not like people spreading prejudices which are basically wrong.