Shouldn't be too hard to get working. I've not actually had to dabble with converters, so I'll just slap down two DP and one DVI option from brands I'd trust. Realistically they should all perform the same.
DP1
DP2
DVI
Whodathunkit, things get killed off when nobody buys them (outside of a handful of tiny capacity ones through OEMs) due to other products being much more competitive. Wack.