@spacecadet65, of course you can afford NOS. try tungsram. head over to brent jessee.
i second matsushita.
you can try BEL aka "the indian mullard" NOS for $100 or less/ matched pair.
a friend a mine has brimar and mullard 12AX7 for an affordable price. message me for contact info.
@knotscott i apologize i totally misread your post