I started with HKN but found it was hard to get FTL and my mind to act alike. Also it seemed like I was always writing macros.
Tested GCP and IS. GCP was easy but seems to like macros. IS I only have to set the action bars for a toon and there it goes. I have been able to run a Quick Wizard set up in 45 seconds ( I type slow) . Most everything I need for now.