Brain Tuner / Bio Tuner

I'd like to buy some type of Brain Tuner / Bio Tuner since my brain seems to be over reacting and putting all sorts of stress on my organs. Here are some choices I have found:

Bio Tuner: ($250US) from sota.com
BT Pro LCD V4: ($280US Approx.) from altered-states.net

I'm still looking but for that type of device; the BT Pro LCD V4 seems to have a lot more to offer and I can unlock multiple options later if I want. On the other hand Sota is a reliable source and has a solid reputation.

So what do you think; should I go with one of those or go to a totally different machine?

Here are the units I already own:

Zapper:  Dr. Hulda Clark (Maestro zapper 4)
Blood Electrifier / Colloidal Silver maker: Dr. Bob Beck
Magnetic Pulser: Dr. Bob Beck (made by Sota model MPG5)
PEMF generator: Vitamag
Frequency generator: (UDB1102 DDS Signal Generator)