go for it!
upon future playing and checking out videos on 2.1
*long pressing along side the new app tray button will bring up its own home switcher to switch between the 5 screens.
*dockrunner does not work on 2.1 but its not needed simply running "clock" will give you the same result
*Also the marketplace doesn't show all your installed apps not sure what or why but just what i noticed.
*and lockscreen will be unlocked if you open the keyboard but using the pattern lock keeps the phone locked.