Adobe Premiere CS5 + After Effects CS5 workflow

Correct me if i'm doing this right. This workflow works for smaller projects and has it's quirks, but as a serious Premiere+AE user I found this quite workable.

1) Import CinemaDNG Raw sequence in After Effects.
2) Camera RAW window pops up and you can do your preliminary color correction.
3) Save the CC preset in Camera RAW and click ok.
4) Interpret footage to 24/25.
5) Do this for every take and save CC presets individually.
6) Create a composition for every take and batch render them to Apple Intermediate Codec with resize of 1280x720 to ensure fast playback in Premiere.
7) Do a 1280x720 sequence in Premiere, import rendered proxies and edit your film.
8) In AE, make a new composition of 2400x1350 or 1920x1080 (whatever the final resolution is).
9) Copy & paste all the clips from Premiere sequence to AE composition.
10) Individually replace proxy footage back into CinemaDNG Raw sequence and use the saved presets from Camera RAW + tweak them if necessary.
11) Apply basic AE effects to finalize the film (with project set to 32 bpc?).
12) Output to your liking from AE.

Audio can be exported from Premiere and then imported to AE (or if you do audio post production in Protools, the process is the same).

The problem with color correcting in Camera RAW window is that you can't scrub the timeline (you only see the first frame). Am I losing color information with this workflow or do you see any other problems with this?

Playback is a real problem when you do color correction with clients in AE. It's mainly a tool to add effects and send them back to a real-time color correction software. I wonder the new speed grade has any worth, I know Adobe camera Raw seems to work better in debayering then Davinci. Maybe speed grade has the same structure.