I spent the winter rebuilding my motor and installing a Garrett TO4E 60-1 single turbo. Here are the specs of the setup:
Garrett TO4E turbo with a 60-1 compressor wheel, P trim, .7 A/R comp and .96 A/R turbine "on center"
Williams Manifold and Downpipe
Tial 40 mm wastegate
Turbo XS Blow Off Valve
M2 Medium IC
Haltech E6K running 2/550cc and 2/1680cc injectors