The first one is an old V&E Stoker. I talked to that guy last year. I don't know much about them except that they are long out of production and it's not likely you will find parts anywhere.
The second one is a BairMatic. Very nice little boiler, the moving grate stoker works well from what I have heard. Same problem as the V&E though, no parts available. If the grates warp or break, your done.
If you could get one of these real cheap you could put a Keystoker or something in it easy enough. As you know, I have a Van Wert in my BairMatic, Scrapper has an EFM S-15 in his BairMatic.
That EFM for $275 would have been the best idea. Ya don't see those very often!