Tab, I know it seems disconcerting that the Omega has to be dialed down due to EMI. But Eathmansurfer, a very experienced user, did some air tests on the Omega in comparison. Here is a quote:
"I know air tests don't say a lot but I did air tests on all of my machines...G2 at full sensitivity don't hit as deep as the Omega 8000 set at 55.I set both machines as high as I could for testing inside and still be stable. Actually, the Omega with sens set at 55 was hitting coins as deep as my MXT Pro (set to +2 almost max sens) was in air tests indoors. I was very happy with those results. I've never had a machine that would go nuts at high sens settings like the Omega does and was worried I wouldnt get the depth due to using a much lower setting...however I was very wrong."
I used to own a T2, and now the Omega, and I swear both machines are just as hot in regards to sensitivity. So I wouldn't be overly concerned if you have to dial down the sensitivity for stability. It will get the job done.