Hi I was wondering which goes deeper in the surf and beach hunting? Does the Surfmaster PI Pro go deeper than the Minelab or are they about the same for depth? Just curious because I want to get another machine but wanted something that goes deep!! Is the Minelab very hard to use? I really like the simplicity of the Surfmaster PI but sometimes finding junk can be a little disappointing but do you lose depth when using discrimination with the Minelab? And does it still null out iron if the discrimination is turned way down? Hope to hear some suggestions to my questions!! Aloha