If you are at all interested in stand alone Megasquirt ECU EFI Analytics is having a pretty good sale.
The base level of TunerStudio is free, but a lot of the logging and auto tuning stuff is only in the higher paid for versions.
http://www.tunerstudio.com/index.php/tuner-studio/tsarticles/119-tunerstudio-30-feature-matrix
The top of the line software
TunerStudio MS Ultra! & MegaLogViewer HD Combo
is only $130
The base level of TunerStudio is free, but a lot of the logging and auto tuning stuff is only in the higher paid for versions.
http://www.tunerstudio.com/index.php/tuner-studio/tsarticles/119-tunerstudio-30-feature-matrix
The top of the line software
TunerStudio MS Ultra! & MegaLogViewer HD Combo
is only $130