There's a guy on audioasylum who had both. He kept the Walker. I suggest you do a search there.
If I was to buy one myself, I would still consider the SDS because of the way it ramps down the voltage when the motor is running. My motor gets pretty hot after a long session.
If I was to buy one myself, I would still consider the SDS because of the way it ramps down the voltage when the motor is running. My motor gets pretty hot after a long session.