I have used this forums many times to fix, improve, tweak my Ibex. I feel compelled to share with other users all the helps I got from this forums. These are very useful links (at least to me).

Speed Up Firefox:
http://ubuntuforums.org/showthread.p...=speed+firefox by Pjotor
http://ubuntuforums.org/showthread.p...=speed+firefox by KnownSense

Backup and Restore Your System:
http://ubuntuforums.org/showthread.p...re+your+system by A-star

Cleaning Up Junk Files
http://ubuntuforums.org/showthread.p...ing+Junk+Files by WackToMack

Share Internet Connection Using Other Computer (Useful for 3G Connection)
http://ubuntuforums.org/showthread.p...share+internet by elyase

Fix Sound Problems
http://ubuntuforums.org/showthread.p...alizer+Support by psyke83

Speed-up Boot Time
http://ubuntuforums.org/showthread.p...ighlight=speed by jdong

Hope it helps......