We have a few ex airline guys in our company and they all seem to get on fine. They help bring the SOP standard up a bit and we teach them how to eat hard sandwiches and clean carpets. I'm sure anyone with a GA background before they joined the airlines will find it easy to adjust.
Most of the airline guys that I've met in the Biz jet world seem happy they tried it but preffer the Biz jets.
Not a good time to try but I'd recommend it
GOOD
Going to lots of places you'll never go in a 737.
Knowing all of the Pilots in your company by name.
Actually talking to the people you fly.
Not having to write a report if you take more than min fuel.
Away enough to keep you and the Mrs happy.
left over VIP food
Open expenses when your away( within limits)
BAD
Knowing all the pilots you fly with.( If you end up with the chief Pilot every week
)
Can be a lot of days doing nothing.
I'll let others fill in the rest