Which 440 to buy?

There are 2 440s locally for sale right now, not sure which to get. Or just wait. One is currently in a motor home with a 727 on it and “runs great” 70k miles. It’s 3 hours away and the guy said he would pull the entire assembly, he’s asking $2,000. Sounds like I could drive up there and hear it run too.

There is another that’s a “builder”, guy says it ran when he pulled it many years ago for $450. There is also a rebuilt 727 with almost no miles on it for $1000. These are about 30 minutes away.

Really looking to just slap a cam in and boot it in. Don’t mind if I have to get the motor home trans rebuilt or if the “builder” needs some new gaskets, a couple things. But don’t want to tear the whole thing down this year.

What would you guys go for?