I found in a forum about OpenELEC, a flavor based on the latest version 5.0.8 that comes with a few extras already included. Let's see what addons are preinstalled...
LIBRTMP updated to March 2015
Addons included (Updated to the latest version available 05/01/2015): Pelicalacarta, Tvalacarta, P2P-Stream, Press (for torrents), f4mTester and F4mProxy (Required for F4M channels), Sportdevils.
Required 2 GB SD card or higher.
Default resolution 1280x720 on start
Unforced HDMI output.
Enable display hidden files and directories.
Enabled allow renamed and deleted files.
Moderate overclocking (Only Raspberry Pi 1 A, B and B +): armfreq goes from 700 to 800 mhz, corefreq goes from 250 to 300 mhz.
The truth is that I only use to install two addons on XBMC: pelisalacarta and Youtube. What are your favorites addons?
Download: OpenELEC for Raspberry Pi A, B y B+
Download: OpenELEC for Raspberry Pi2