Every once in a while I think about getting an antenna for MW DXing.
I've read that the Kiwa Loop is fantastic, but because MW isn't my
primary interest, I can't see paying the hefty price for a Kiwa.

Not quite as expensive is the Quantum QX and QX Pro loops. I've heard
that these are good, but how good are they, really? How would they
compare to the Kiwa loop?

Steve