First off we have a small version of Zapmix for Vibrants. This only themes framework and TW framework a little. Its a work in porogress, but its coming along enough to share...
Here is a snap of the notification pull down.
For this to work, you MUST be running a stock, 2.1 ROM, and of course be rooted. Apply through custom recovery.
Zapmix for Vibrant.
Also available this morning, is another theme for the Nexus. Gives it the Vibrant look and feel.
This one if for CM6 stable for the Nexus.
ZapmixV for Nexus