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 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.

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.

When an (usb) device is plugged in, the computer now only responds correctly if the right software is installed. For example, it might propose to import photos when a camera was attached or to sync music files when a mp3 player was connected.

But if this software is not installed, the computer does not know what to do with it and the user might not know what software to install.

In most cases, the user will know what to install, but it would be very handy if the computer would suggest a few drawing programs (Krita for example) when plugging in a tablet or if the computer would suggest to install spacenavd when a 3DConnexxion SpaceNavigator was installed.

The device list should probably be based on usb ids and not on device classes, because some cameras or mp3 players are recognised as hard drives, while they are more than that.

The KDE defaults for time display and click behavior are confusing to the average user.

For the time setting the KDE default is to use a 24 hour clock format. The average person is used to time being displayed in a 12 hour AM/PM format. It is not difficult for someone familiar with KDE to change this in the regional settings, but the average user coming from another OS won't know how to do this and this hurts their first impression of Kubuntu.

The default click behavior of KDE is to run/open an icon when it is clicked once. The average user is coming from Windows where the default behavior is to click once to select and double click to open.

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.