I'd like to install the stable Debian Jessie for ARM, which has 3 different ports to choose from. The 2nd seems to be the most optimized for the Raspberry Pi2, considering that it has a single (or 4?) hard float (FPU) inside the 4 cores. That must be the recommended version of Debian. Debian Wheezy is obsolete now, but I understand Raspberian hasn't been upgraded to Jessie at this moment. (I'd like to have more recent versions of Focuswriter, Thunderbird, TeXLive, Kile, Kate, BASH. Plus optionally LibreOffice and a youtube/facebook compatible browser and KDE Desktop Environment Manager. I suppose I could run one application at a time, possible from a KDE desktop, my preferred way, but even running from a BASH executed GUI would work for me too. I understand that apt-get from BASH will look for the ARM application versions (required?) to download.
Is my plan to install the second port of ARM version of Debian-Stable Jessie the right path to take?
From the Debian Manual:
2.1.2. Three different ARM ports
The ARM architecture has evolved over time and modern ARM processors provide features which are not available in older models. Debian therefore provides three ARM ports to give the best support for a very wide range of different machines:
Debian/armel targets older 32-bit ARM processors without support for a hardware floating point unit (FPU),
Debian/armhf works only on newer 32-bit ARM processors which implement at least the ARMv7 architecture with version 3 of the ARM vector floating point specification (VFPv3). It makes use of the extended features and performance enhancements available on these models.
Debian/arm64 works on 64-bit ARM processors which implement at least the ARMv8 architecture.
Technically, all currently available ARM CPUs can be run in either endian mode (big or little), but in practice the vast majority use little-endian mode. All of Debian/arm64, Debian/armhf and Debian/armel support only little-endian systems.