This is my first time with using them (and first time installing an ECU all together). Everything was simple to setup and configure. Software is well laid out. Handy having some untuned base maps to load to get the car started (3sgte based but still worked for the 3sge). The only little hiccup was with the factory MAP sensor. Needed to create my own calibration table for that.
I was swayed towards the Link as opposed to Haltech because of the lifetime warranty Link offers on their products. Heaps of information contained in their help file on wiring and configuring as well as their forum.