Perfectly said Newton, nothing to add... there is really nothing to add. Million different users, million different opinions. Although, I don't think Vampiric_Crow meant on "ugly" skins... I believe he tried to say that avast! User Interface (so we are actually talking about UI, not GUI... GUI is Graphical User Interface) is split into few different sections, not compiled into one copact unit... so some options, like for example for On-Access Scanner, you can access by left clicking on avast! system tray icon... if you wanna access main avast console, you have to righ-click the same icon... for new users, especially for those which just entered into antivirus application world, it really can be very confusing... also, many fine-tunning options are accessible from .ini file only. I am sure it's not an easy job for Alwil team to put everything under same "umbrella", but there must be some way to bandage everything little bit better... maybe something like AVG is using... one massive central interface with few main buttons that would lead, one to On-Access Scanner, one to main avast! scanner, another to something else etc...
Just my 2 cents...
Cheers !