Good luck with your interview, I interviewed with them a year ago and got hired into the Navajo that I was currentley however buy the time I heard back I was in the Metro building turbine PIC so I turned them down. I can say I have nothing bad to say about them.
IFlyFR8 is right about the schedule. I currently fly night IFR and it is work and alot of perservance is required. However you'll be respected more in the aviation industry and build a some character if you will. You'll have alot of weather conditions that some airline pilots never experience. For example, I talked to one pilot with Champion Air and he said he's never experienced landing in a +/- 25 knot windshear environment. I can't say its something I recommend however enjoy and cherish the experiences you've learned cause they will come in handy down the road.
Freightcowboy