I currently have a Whites 6000/Di Series 3, but always wanted a 5900. I always heard that the blue box 5900 Pro Plus was the best/deepest of the 5900 series. It offered an on/off switch for the SAT by the coil connector and had the GEB Max mode... which I guess was hotter than the later black box 5900. The black box 5900 Pro SL does not have the GEB Max mode because it was replaced with GEB SAT mode. Anyway... the 6000/Di Series 3 also has the GEB MAX mode and Manual Ground Balance (Not the Double Stacked Version), but seems very similar to the blue box 5900 Pro Plus. I know most 6000 detectors have Auto-Trac instead of Manual Ground Balance, but the Series 3 is different. However, it does not have the on/off switch for the SAT like the 5900 blue box. My 6000 Series 3 goes pretty darn deep and that is why I keep it in my stable for relics. I mainly hunt in GEB Norm (All-Metal) and use the GEB Max mode when the ground allows it. It has a silky smooth threshold, ID's in All-Metal mode, filters out awesome on big iron, and I really like the non-motion coil feature that most of my other detectors do not offer. GEB Disc mode is the only mode where you are required to put the coil in motion in order to ID a target, and this detector is super easy to pinpoint with large coils. So is the 6000/Di Series 3 basically the same as the blue box 5900 Pro Plus in performance? I'm still a fan of the older technology, especially with Whites. I've had a Whites MX All Sport and a Nokta Simplex Plus and had zero regrets letting those detectors go. I do need a better gold hunter for micro jewelry and I'm leaning towards a Makro Gold Kruzer because of the waterproof option, but feel an old Gold Bug 2 might be a better. Anyway gentlemen... I would like any advice and comparisons on the Whites 6000/Di Series 3, Blue Box 5900 Pro Plus, 5900/Di Pro SL, and 6000 XL Pro. Is my current 6000 worth keeping? Thanks in advance! This is what I currently have in my stable.
Garret AT Pro (Wife's Detector of Choice and Nice on a Rainy Day)
Garret Ace 250 (Extra Detector for my Kids or an Inexperienced Hunting Buddy)
Fisher CZ6a (Modified by Nasa Tom for Older Sites/Deeper Coins and Does Well on the Beach)
Modified Whites Classic 3 SL (Used in Super Trashy Areas and used with the Snooper or Blue Max 600 Coil)
Modified Whites IDX Pro (Modified by Sven, which I believe is my Best All-Around Detector while using the Burgundy Royal 800 Coil)
Old Blue Box 6000/Di Series 3 (Been using for Deep Relics with a somewhat rare Blue Max 11" 256 Coil)