I probably shouldn't be reporting this, but here is the scoop on the future Minelab. My cousin in Australia (who also detects) regularly plays poker with one of the Minelab engineers. Last Spring the engineer drank a little too much of that good Australian Shiraz, and started talking about the Minelab future detectors he was working on. The one destined to be the new (or replace) the Explorer will work on a totally new concept. The engineer said Minelab has found a way to adapt ground penetrating radar so that it shows a good image of all objects in the soil down to about 18 inches, depending on type of mineral content of the soil. The detector will have a "radar" screen, like a TV screen, that shows a picture of what is under the sensor (coil), in a square about 8" on a side. Coins appear as round discs, or if tilted, an oval disk. Rings, if flat, actually show the hole in the center and you can estimate size of stone set in them. Pull tabs are easy to see by their shape, as are nails and most junk. Before releasing this incredible new machine, there are some hurdles for Minelab to conquer. SInce there is no real need for a tpical discriminating metal detector circuitry, the problemn is how to differentiate round bottle caps from coins, especially if deeper. Deeper objects are a bit fuzzier. There is no good way to estimate depth so far, so a deep quarter looks the same as a shallow dime- they are working on that. Large shallow pieces of metal can totally hide anything underneath them, and that may not be a solveable problem. Minelab hope to be able to increase the detail in the picture so you can actually see features on the coin- and be able to tell a Barber quarter from a Washington quarter before you start digging. Also the machine takes a lot of high-voltage power, 36 volts so far (3 typical Explorer battery packs)- they need to work on that, so it may be some time before the new machine comes out. That would make a really heavy machine. That is probably why they introduced the SE to keep sales up until problems are solved and they can make the Big Day Announcement. Oh yes- clarification- I mentioned it was early Spring when my cousin got this info- that is OUR Spring, Not Australian Spring, which is right now (as I recall the actual date was the first of April).