Which would you prefer? Paradigm, Monitor, Klipsch or Polk Audio? How do you like your ERAs? My impression is that Paradigm, Monitor Audio, and Klipsch are possibly a little bit better than Polk Audio.:) Exactly which models are you looking at? Klipsch RF83 ($1,250)? Monitor Audio GS20 ($1,200)? Paradigm Studio 60 ($750)?