I
love quart (A-A) tuning in a band setting - my wife uses a 30-year-old mini-Strat knockoff (19" scale) to add sparkle to our plugged-in material (think Nashville tuning with a richer low end), and I've had my Deering Boston tenor banjo in drop-G uke tuning (GCEA like the top four strings of a
quart guitar - very popular during the '20s as uke players attempted to cash in on the jazz craze, but virtually unknown today) for the last fifteen years. It's a shame nobody makes a less-pricey version - dropping close to $3K on another instrument would irreparably damage my domestic tranquility - but if Gold Tone/Regal/Republic ever decide to jump on the bandwagon I'm in...
