I bought the nova on a whim and while it is a very nice drill press, I think the depth stop feature is oversold. First let me say, I love how quiet it is. And the power is nice. I use the speed setting frequently now. I never did like to change the belt on my old DP. Mind you it is not a metal working drill press, but it has enough power for what I do (professional woodworking). Also, it has virtually no run out. That part is impressive.
Now for the depth stop. I can't even hear the beep. But honestly, since the press stops itself, the beep may be redundant. However, the press stopping itself is really annoying. I haven't figured out how to start it back up in reverse so generally the bit is stuck in the work piece unless I clamp it down, which of course kills the productivity of the feature. I don't know, perhaps it is nice, I guess I don't see the difference between that and the old manual depth stop. I would buy it again, if for no other reason that the sound level, the zero clearance to a wall, and the direct drive. I always prefer direct drive on anything.