I went through this thread and agree with the argument of having the dock on the left or right side. I gave it a good try with the dock on the left side, but it just doesn't work for me. It actually takes me more time.
I use Spotlight to get any apps which works well, but I also use the dock to call up apps that I use all the time and I find it faster to do with the dock on the bottom.
I also suspect it's residual effects of being with Windows for decades. I'm trying out auto hide right now with the delay gone via terminal script. Seems to be okay so far.
http://www.idownloadblog.com/2015/02/14/auto-hide-dock-no-delay-mac/