To those of you that have experience with both the Xterra 705 and the Fisher F75 I'd like your input as to which machine I should get. There will only be one. Its primary use is coins and jewelry in a mid west city/town environment. Not what you would call 'urban'. I 'll be 70 in a few months, with that my search method is slow and meticulous. I don't look like I'm 'cutting hay the old Amish way' when I search. A majority of places I'll hunt will have been well pounded so I need something that will be capable of reaching down beyond 6 inches. My original thought was the flexibility of the 705 with its multiply coil freqs' would be the right way to go. I could use the 3k coil for silver then re-cover the same ground with the high freq coil for gold jewelry. But after much discussion with a couple of dealers that said they've used both the consensus was that the F75 was a deeper machine and it would out perform the 705. For my intended use the F75 was the better way to go. The only craveat was that the F75 was highly sensitive and a bit 'chatty'. while the 705 more stable and perhaps easier to use. Don't know either machine. Have always run analog, never used a digital machine, but its time to up. Need the depth now that all you whippersnappers have toasted the top 6 inches of the ground over the last 20 years..