Hi Deepblue,
I have the 19" coil for the 7000, if you were looking at 6 or 7 I wouldn't consider the 19" coil and the stock 14Z search coil punches deep as well as picking up the fine stuff. I have picked up 1.2g at 14"s, .35g at 6-7" and down to 0.069g at 2" all in WA hot ground.
If the 7...