merging clips without re-rendering
 

I'm looking for the equivalent of "direct stream copy" in vDub, except using Premiere CS5 with Cineform files. Is this possible or does every file need to be decompressed / recompressed in a round-trip from Premiere?

For long clips, my camera automatically splices and creates a new, continuous file. I'm looking to quickly and easily merge these before muxing them to 3D.

-Robert