I have had some mixed luck with the Dreamlifter. Light failing at the wrong moment or the sun setting just before departure are two examples. On this occasion, though, things worked out pretty well for me. I was visiting Future of Flight so I was on their viewing deck when the jet departed. I watched them start up (including some nice puffs of smoke as fuel and oil burned off at ignition) but they were partly obscured by a hangar.
Pushback made everything easier and they then taxied right towards me. It is true that you are looking into the sun at this point but it was still not a problem to get shots of the plane without a problem. They taxied out past the parked IL-76 and then held in front of us for a moment. The wind was good for northerly departures so they taxied across the threshold and then down Alpha to the other end of Paine Field.
Take off had to wait for a couple of Cessnas and then they lined up and headed our way. I was definitely not alone on the viewing terrace at this point! Little areas of snow alongside the runway were apparent when the outboard engines disturbed them. Then they were rotating and climbing towards us. Finally I got some decent conditions for some shots. Now, I guess, this will happen a lot and I will wonder why I ever was bothered about not shooting the jet in nice light.