I would beg to differ. My personal workflow is as follows.

1 Capture raw footage
2 Start Premiere Pro project
3 import footage
4 Edit
5 Export sequence AVI
6 Start Ae project
7 import exported AVI from Premiere
8 Add special effects
9 export from AE to AVI
10 import AVI to Premiere as new asset
11 Edit some more

repeat 5-10 until all special effect are done then...

12 In Premiere export final movie as MPEG2
13 Start Encore project
14 import MPEG2
15 Build menus and master DVD

So, for me, rather than be a linear thing I jump between AE and Premiere all the time. If you thing of AE as being a 'kind of, pluigin for Premiere to simply be used when needed then you pretty much have the idea.

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