I have a collection of small bench top drills ranging from harbour
freight, an antique, a little dumore (very expensive, you had better
be sitting down when pricing), a unimat SL, and some other toys for
making holes. Some are better than others but a drill press is not
accurate period. Stick a twist drill in one and you are screwed.
Those things just don’t work well, even with expensive bits.
My advice is to pick one that looks ok, isn’t heavier than you can
lug, and is a colour you like. Price is a consideration but not much
of an indication of accuracy. Take my thoughts with caution, I have
been known to make mistakes. (and I am admitted tool junky
Analog/Digital Modelling & Goldsmithing