just out of curiousity.. how would this:
![](http://i21.photobucket.com/albums/b259/stephenquinn/BPIStack.jpg)
(not to scale. exaggerated for demostrational purposes)
work better than this:
pardon the drawing quality. it's 4:30AM and i can't sleep. just seems like the BPI stack wouldn't be as effective as a jwt/stillen one in regards to flow.