Well, had a chance to get the Ace 250 out on my lunch break today. Hit the river park in the town I work. No crowds this time of year. Ground was a little hard. Need a better digger than the composite one that came with my ACE. found a 2006 Nickel, a shell casing (have yet to clean it to see what caliber), pulltab, some aluminum, and what appears to be a hot rock. Not bad for just about 30 minutes.