Oracle Java 8 is now stable. Below you'll find instructions on how to install it in Ubuntu or Debian via a PPA repository. The PPA supports both 32bit and 64bit as well as ARM (ARM v6/v7 Hard Float ABI - there's no JDK 8 ARM Soft Float ABI archive available for download on Oracle's website).
Official i386 and AMD64 GNU IceCat packages for Ubuntu Current version: 7.0 Repository status: Idle Next version: 7.0.1 Good web browsing with GNU IceCat!