I love your G&L -- I was too slow on the trigger when it came up for sale last time.
As for me,
Main: G&L SB-2 Tribute. Sounds great, looks great, feels great. It just sounds "right" in the mix. Even my bandmates have remarked how much they like the tone.
Backup: Fender Geddy Lee Jazz, Fender Jazz Bass Special, or Squier Chris Aiken Precision. I always take a spare to gigs in case there's a worst-case scenario. I've tried swapping basses for certain songs and alternate tunings, but it takes me to long to get dialed in again between songs.