It is a frustration for new user to install software in Kubuntu, so I think it would be good to add some thing like software center to Kubuntu.

Ubuntu colors are orange and brown, and GNOME desktop envinroment in this OS designed exactly in that colors, but why Kubuntu's colors are blue and black? Why it have default KDE appereance, which are used in many other Linux distributions?

P.S.: Sorry for my worse English, i'm from Russia.

When some really slow task is being performed it is very common that people put their cursor at the end of the completed part of the progress bar to see how much of the task was accomplished during their absence or to see if the process really does anything (when app seems to be frozen).

Why there is no other way to mark anything on the progress bar?

Since Pulse audio has been adopted for Kubuntu, Kmix is not really useful: it's better to use Veromix plasmoid.

it's silly having to login twice. once to determine which user you are and once to put in your wallet details.

The current way KDE 4 handles notifications is unnecessarily complicated. The notifications are often duplicated and often stack up all at once until they take up most of the right side of the screen. This presents too much information for the user to handle at once. There has to be a better method of doing this.

My first question why do we often close the windows of applications?

Not because we no longer need it but because we need more cpu and ram.
So, if we have a "Play" / "Pause" button on window which would be equivalent of "CTRL+Z"/"fg command", it will make the life a lot easier.

This will totally remove the need of closing the windows.

*Someother* company did not do it because their OS did not support such kind of stuff but linux can do it pretty well.

Imagine pausing file copying just because you realized later that the disk space is of target is low and you have to remove some stuff.

There can be zillions of examples of the benefits offered by "Play/Pause" of the windows.

I think that many people get confused by having separately named distros for Ubuntu's KDE version and GNOME version. Plus, they get confused by what exactly the difference is. Plus, they think that if they are so similar, why do they look so different.

I tryed kubuntu beta 1 and i saw its new theme for firefox. IMHO it's incomplete, there're too many differences from konqueror/arora.
I think this new theme should be similiar to konqueror to make firefox more integrated with kde and not to confuse new users.

One of the main advantages of Firefox over Konqueror is the "close" button at each tab.

I would suggest to either

- implement a close button in Konqueror tabs too (like in Firefox), or
- make them closeable by middle-click, which can be enabled in the settings.
(Non-GUI option for closing tabs with middle mouse button (konquerorrc: [FMSettings] MouseMiddleClickClosesTab=true) Stephan Binner )

This should be default behaviour.
The close button on the right side is very unintuitive.