This one seems a good compromise between power and portability. I dug a little deeper and found out that they changed the internal parts that blast the medium, from stainless steel to ceramic, in order to not have internal abrasion and that increased the unit price considerably (their words). My...
I asked for replacement parts due to wear, he replied that tested for many hours with no issues, and if they come up, the machine is prepared to replacements... I am interested, but I'm also reluctant, on these type of deals on the long run...