Yi, I don't know.  I LOVED my Recovery, and wish I could find something else close.  I think the Depth Charge is going to rev too early and have too much backend.  The Ace would be the closest, as I BELIEVE both balls share particle pearl ACCU-Tread for their coverstock.  I think the Depth is Pro-thane particle pearl.  I had an Ace, and for me, it was too over under, but I didn't have it drilled strong enough.  I think the Ace will be too flippy, but with a smoother drilling and maybe a little coverstock prep, it should be the closest you'll find.  That Recovery hit like Kratos too, geez.
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Space for rent or suggestions . .