I have had mine now for probably over two years installed on two motors. I have had two of these turbos come to think of it.
Anyway, all my work was done with a high level of skill and it has proven to reliable and powerful. I run over 20PSI daily now.
I have a host of mods, a built motor, a J&S Safeguard and an MPI tuner with the extra injectors.
I know three others with the same package and they have all been fine for the 2+ yrs.
In short, for us, Nick has been a great resource.