That's a lot of kit for 100-150 people. 2 4x12s is whole bunch to deal with. If quality is your aim you'll be looking for ways to bring that waaaay down. I have a selection of 2x 12 tube combos and they're all too loud for most gigs that size, so you're going to pushing up your own volume, then the drummers going to pushing his monitor up etc etc.
. It's only a couple miles from my house and a big stage