"This is not the Blur you're looking for...."
The system folders in both phones where the framework files are look different. In the X system folder there is a blur.res apk file file and framework.res apk file. In the backflip there is no blur-res apk file. Only a blur-res jar file. There is no blur-res jar file in the X folder. So something is definitely different between the old Blur and the new Blur.
What lil I know about system files, it looks like what the Motorola CEO said, Blur is an app now. In the Backflip system folder it was just one file labeled blur. In the X system folder it was 6.
If I'm reading it right, the CEO basically said in the article that the OS and the Blur apps can be updated separate from each other. "Motorola can move much faster both with OS, and Blur app upgrades." I'm sure if it was all Blur, he woulda just said OS updates.
"This is not the Blur you're looking for...."