The metal Dixies,
Cool, but unless you know how to work on them extensivly, don't. if you are looking for a great sounding/playing instrument, don't. They are cool and collectible, but sound horrible typically. I have one, but had to do extensive work to it to get it to play "half" decent. It is limited what you can do to them stock, due to the neck is all cast from one piece. Even the frets, and nut, and fretboard is all one casting. The bucket, is all one cast. I plan to build a new all wood neck, rosewood fretboard and new nut and frets for mine in hopes to get better sound, playability and intonation from it. Frankly, I find the bucket is pretty much the only thing really useable. But then of course, the collectibilty is gone, because it won't be the same instrument at all. A "fair" deal for the "coolness" of it, for $50 and under. Vintage (yes), collectible (yes), fun (yes), frustrating (yes), rare (no), common (fairly), valuable (no).
I would consider the 2nd one ya listed first. If it is restored and playable, $200 is on the high side. I wouldn't go more than $150 maybe up to $200 depending on how bad ya want one. If ya want one that is easier to work with to make a decent banjole from, go with the wood ones like listed in the 2nd listing. If you can get the 1st one for under $50, it might be fun to tinker with..