Maybe the one to consider against the Milwaukee and DeWalt is less the $150 Bauer but rather the $449 Hercules?
I wish I had more experience and better correlation for you, but I've owned a Ridgid a 1/2" VSR Masonry Hammer Drill for a long time. About fifteen years ago, I needed to drill a hole through 12" of red brick to run 3/4" conduit from the inside panel to the outside garden. Bought the proper masonry bit, set up the Ridgid and went to town on that wall. For hours. In the blazing summer heat. It was utter misery and I was getting nowhere.
Finally, I called up one of my friends who has proper (better) tools and he brought out his Makita Monster Rotary Hammer. He plowed a hole with my bit in a couple of minutes - it was ridiculous. His Makita cost magnitudes more than my Ridgid - and in those few moments, it demonstrated why it was worth the money.
I surmise that, like the Ridgid, the Bauer will get the job done. But there will be a lot of time and pain involved. If you got the hardcore demolition hammers, it would probably make this job go faster and happier.
That said, HF Insider Track Clum members get $100 off the Hercules right now. The savings might be worth the $30 membership fee.