Yeah, I am going with White's 1987 Eagle, replaced almost immediately by the Eagle II in 1988. There are other candidates no doubt but this was the first detector I remember that screamed digital processing. It introduced many detecting features we now consider standard. The Eagle went through several versions finally leading to the White's Spectrum XLT, a real classic in my mind. Minelab fans will no doubt be amused by the "30% More Depth" statement since they no doubt thought Minelab had