Varian's computer division was sold to Sperry in the mid 70's "Second Source Computers" bought what was left from Sperry in the 80's. I talked to Roger Lee at the company. 714/832-7724 voice, 714/832-3260 fax. rlee(a)sscitech.com. He repairs V-70's for some number of folks -- enough to keep him in business. He says there's even a 620i still running in England -- says the customer told him it only went down for repairs once.