The atomic 4 doesn't scare me, I owned a boat powered by one and it served me well. I see the merits of diesel for
safety, longevity and
reliability. They appear to be very similar vessels designed by
C&C. I would be looking very closely at structure, taking a plastic hammer and tapping the
deck around the chainplates, the hulls, checking the
rigging, Checking the
rudder, etc. Check for
leaks, look at the engines, thru hulls etc etc. You can't tell from photos what condition these vessels are really in from a structural point of view. If they are both sound after that, I might lean toward the diesel, but then I also like the
galley on the 76 too. I think the story will be told in closer
inspection.