Today 1/6/25, in MN, I saw a 5.9 Magnum used short block in Wyoming MN $125 and a complete (Minus intake) running when pulled, 5.2 Magnum supposedly 130,000, looks nice, for $100 in Amery WI on the Facebook Marketplace.
I haven't seen a slant six for under $250 in my neighborhood for a year or two.