Dear sir,
There are many sets of used IBM mainframe ,such as IBM 9672-R35, RA4, 3746-950, 6262 ,3490, each is only about $4000. I have about 30 IBM 9672-R35, RA4, 200 IBM 3746-950 ,20 IBM 3490 and many other IBM mainframe .
Are you intereted?
best regards