Buying, I would go for an Anyang, very strong machine, still made and improved, very popular so troubleshooting is not a problem ask James Johnson or John N here, they are two Anyang dealers, US and UK and can tell you everything you want to know about these cuties
The self contained you've posted above is a Spanish hammer, isn't it ? The info are in French but...
See your other post, I've added some Italian self-contained ;)