Finally went full frame. Quick set up here for this shot. Pictured is the pretty awesome D600 with the equally awesome Nikkor 24-70mm f/2.8G. After id say about 1,000 shots plus some, i have not had an issue with the dust/oil thus far...might be one of the good ones.
D300s | 50mm f/1.4G
Strobist: YN560 cam right thru apollo softbox, sb900 cam left thru umbrella