TI Acousticores are the only acoustic-specific strings I would dream of using. I hate the way the standard solid-core bronze acoustic strings sound (and feel).
So I'd use either TI Acousticores, or maybe TI Jazz flats for fretless.
__________________ 'Deep into that darkness peering, long I stood there wondering, fearing,
Doubting, dreaming dreams no mortal ever dared to dream before'