I am wanting to buy a new detector that will rival the Garrett 550 or 1350. Bounty Hunter has about 20 different detectors under 5 different brands...which do I buy?? Do I get a Bounty Hunter,or a Technetics, or a Texan,etc etc... I want the best for about 400.00..how do all these compare with the Garrett's?? why is there sooo many? Please help Lloyd