The prevailing view is that high fidelity simulation, particularly DNS (direct numerical simulation), is not something for the practical turbomachinery aerodynamicist - requiring too much computational and personal effort to make it worth it. The aim of the 'Desktop-DNS' toolkit described in this paper is to change this by greatly lowering the barrier to entry for running DNS. The paper shows how, using an efficient high-order Navier-Stokes computer code, it is becoming increasingly possible to solve testcases of industry relevance with high fidelity LES and DNS, making use of the latest advances in single compute node performance. This is achievable using both efficient algorithms and GPU acceleration. The paper will use a compressor blade testcase to illustrate how, in some cases, high-fidelity simulations can be performed at relatively low costs on a small number of computer nodes. This raises the possibility of a much more widespread use of DNS to inform early design choices, enhance or benchmark current models, and to potentially reveal new physical mechanisms. An increasing uptake of DNS into mainstream CFD use has profound consequences in terms of data-processing and the training needs for practitioners. The paper therefore provides guidance on some practical ways in which high fidelity data can be exploited for turbomachinery design, as well as a step-by-step guide and set of codes to enable a turbomachinery aerodynamicist to explore DNS.