A '90s steel hybrid will have a similar feel -- especially one with nicer tubing. Check out a Trek MultiTrack 730 or 750 -- they're relatively plentiful, they have nice tubing, they ride really well, and they're inexpensive. Being what they are, parts are plentiful and available at reasonable cost. You have lots of drivetrain upgrade options as well.

If wanting new, don't overlook Breezers. They have nice steel framesets and are available with both dropbar and flatbar options: https://www.breezerbikes.com/