ServiceStack JsonSerializer is based on JSV (the fastest text serializer for .NET), and is over 3.6x times faster than the BCL JsonDataContractSerializer and is around 3x faster than NewtonSoft JSON.NET (the previous fastest JSON serializer benchmarked).
Test lab guides (TLGs) allow you to get valuable hands-on experience with new products and technologies using a pre-defined and tested methodology that results in a working configuration. When you use a TLG to create a test lab, instructions define what servers to create, how to configure the operating systems and system services, and how to install and configure any additional products or technologies.
You also need to ask yourself: Are you doing the right thing?
It's one thing to advocate xargs and wget for crawling a website and pulling down a static archive ... it's another thing to write static xml files and claim you have a SOAP server.