XBMC Media Center 11.0 is Out now Download it Today ( Ubutnu 11.10)

XBMC is a Great and open-source media centre. Latest version of XBMC media center is 11.0 which is released few days back. This media centre is available for Windows, mac and Linux. This time there some changes in the software. Let’s take a look
Changes in XBMC Media Center 11.0

• 
  addon rollbacks so you can install previous add ons versions
• GPU video decoding on Linux to “some extent” for AMD graphic cards
• support for direct playback of ISO image files for Blu-ray Disc as well as video library integration
• addons can provide their own web interface
• improved mouse support, add better control for dragging of seek / slide / scroll bars, and click handling
• improved touch interface API and gesture support for XBMC’s GUI Engine for all platforms
• new custom JPEG decoder which is at least 2x faster than the previous implementation
• support for SSA/ASS subtitle tags; italics, bold, and color for SubRip (.srt) subtitles as well as MP4 embedded subtitles
• upgraded ffmpeg
• improved Blu-ray Disc and hard drive playback support of unencrypted bdmv and mpls files without menus
• support for NFS virtual file server
• support for AFP (vfs)
• Airplay support for Videos, Pictures and Music
• asynchronous threaded background loading of metadata to XBMC’s VFS (Virtual File System)
• improved TheMovieDB.org movie scraper by adding themoviedb.org posters scraping
• Linux: support for Texas Instruments OMAP4 (OMAP4430 and OMAP4440 with video decoding on IVA 3)
• dynamic runtime detection of CPU features (MMX, SSE, 3DNow, etc.) implementation for Linux
• improved ARM processor architecture support for embedded devices and embedded system platforms

For a complete change log, see THIS page.

Install XBMC Media Player in Ubuntu 11.10

Execute this commands

sudo add-apt-repository ppa:team-xbmc/ppa
sudo apt-get update sudo
apt-get install xbmc

If you are using Ubuntu 12.04 Beta Then Use these Commands

sudo apt-add-repository ppa:nathan-renniewaldock/xbmc-stable
sudo apt-get update
sudo apt-get install xbmc