Started with the Whites 6000 Coinshooter, back in the 80s - worked well.
Then tried an OLD Minelab Sovereign - - LOTS of power, but no target ID.
Then the Minelab 30 - - pretty much can't live without the target ID
once you get used to it. The X-30 is light-weight too.
Ended up with the White's MXT.
Here in California we sometimes have the opportunity to look for gold.
I was considering the Minelab 70 for that, but you need a different coil.
With the MXT you simply toggle a switch, and bada-boom, you're in
prospecting mode. Target ID on the MXT is fantastic. Good depth
and discrimination. Easy to read display. Why monkey around with
cheap machines when you are spending all that time in the field?