Awesome guide!
And yes, the JDK8 1.8.0-ea-b100 is very good on ARM devices. I think it is because of the VFP support.
On my ODROID-U2 (4x ARM Cortex-A9 @2,0) I got a score of 2419,06 with Ubuntu 13.04
But the CPU needs to be added to the database before I can submit, so just a link for the time being: