My wife was snooping around and discovered there was a coil for the Omega that I didn't have, so she got me it for Christmas. Followed it around for about an hour and a half this morning in the snow covered woods. Tough hunting as coil kept getting piled up with snow. Non the less, sniffed out 2 Memorial and 2 wheat cents. The latter of which are soaking to try and get dates off of. Anyway, don't have enough time in with it yet to compare it with the 10" concentric or to see how it does in heavy trash. Have the feeling that it might have a tad more depth then the concentric, but haven't proven that to be fact. It does move through and around brush more easily as it doesn't get branches caught in it. I'll give it a good work out once this snow clears out of the woods. HH jim tn