TLRs can be serious and nostalgic.
I use my two 124's a good deal, more this year than in many past. I bought one years ago, the second one just this year for $80. The shutters don't match but the lenses match well.
Avedon was still using a TLR at least as late as his last master-class sessions. Most of the famous 1950's work of Avedon, Penn, and many other magazine shooters was done using TLRs.
This past weekend, I was at a venue that prohibited "professional" cameras like AE-1's etc. I waltzed through the door with my TLR and two pro-packs of TXP...