Was planning to get D4--may get second D3s instead . . .

Depends on if you want the BEST camera or the BEST price. Don't kid yourself in thinking the D3s is a s capable as the D4. For me if a picture is worth taking it's worth taking with the best camera, you can never ever recreate an event once it takes place. No two events are ever the same, unless you pose them I should say.

Spend the extra money you won't be disappointed.