I hunt with a Quattro, the early Safari.
I love the machine. Been hunting with it for two seasons now, and have lots of old silver, IHs, Buffs and V-nickels to show for it.
Having said that I would reccomend the E-Trac wholeheartedly. It uses the FBS technology, recovers very quickly, and gets great depth.
I did hunt with a friend of mine with his V-3 late this summer. Incredible machine to look at, with lots of whistles and bells!
Only problem he had was that he couldn't pick up coins at depth. We hunted side by side all day. I found Mercs, Indians, Liberty Nickels, a silver cross, a spanish dime, and a '45 Washington Quarter. He found some clad, and a Liberty Nickel.
The telling event was when I got a clean clear quarter signal at almost a foot down with the Quattro. My friend came over with the V3 to show me how it looked on the display. Problem was he got no signal! He went back to the truck and got his biggest coil, reprogrammed the machine, and swung it again. This time he got a little bump, but not enough to begin to ID it. He looked at me and said, "Well, it isn't a quarter, whatever it is!" I dug it, and pulled a 1945 Washington from 11"!
So, for my money the E-trac would be a good machine.
Good Luck,
Mark