On Page 8 of Wings and Wheels for sale ads is the JJ refinished LS3a asking 28k.
That looks like the one I'd focus on. Recently repainted by a pro, all the extras and looks like its ready to rock. Maybe you could get it for 26.5 cash in hand.
This has been a long thread and I'm impressed that it did not go into the gutter, as so many of these do.