[James McVee]"Should I just bring them into Premiere and then color correct and adjust it in there and then just export ProRes HQ clips."
That's pretty much exactly what I'd do.
I'd definitely just import the native files into Premiere. Here, all our suites run Matrox machines (Matrox MX02, currently with CS6), so in our case my personal choice would be to export Matrox uncompressed AVI files for the very best quality we can do... but those are only useful to someone who has Matrox boards in their computers. So in this case since you are handing off the footage I'd ask the client what their preferred format is (which might indeed be ProRes) and give them the best quality possible in the desired format.
But yes, you workflow assumptions are correct...
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