I've had the luck of testing the Scout and multiple Sabertooth ESCS and I can easily say the Scout is by far my favorite. The layout is much cleaner, it's easier to add heatsinks if needed, offers more features, and drives the same if not better than Sabertooth.
I also like multirotor ESCs flashed for 3d firmware as they are super tiny, cheap, and handle a lot of power but they are brushless and sourcing a good motor in that size and kv is hard. Just an example of what can be done...