Your going to get a slightly Bias answer as you are in the AKA forum
. At one point most of us in this forum were in the same boat. It still comes down to personal preference. I personaly bought an Excal. because there is less chance of ball breakage, more efficient on air and closed bolt operation. Read the Excal. FAQ's stickied to the top of this forum. IT is some of the best info you can get.