Наиболее подходящие дистрибутивы:
Fedora Домашняя страница: http://fedora.redhat.com/
Скриншоты: The Coding Studio
The goal of The Fedora Project is to work with the Linux community to build a complete, general purpose operating system exclusively from open source software. Fedora Core is built to provide choice. It includes the latest versions of many software packages, including both GNOME and KDE desktop environments. Fedora Extras, a repository built entirely by volunteers, provides thousands more packages, and is enabled for use by default.

(Этот дистрибутив существует и как "Live CD" и вы можете его использовать без установки)

OpenSuSE Домашняя страница: http://www.opensuse.org/
Скриншоты: The Coding Studio
The openSUSE project is a community program sponsored by Novell. Promoting the use of Linux everywhere, this program provides free, easy access to the world's most usable Linux distribution, SUSE Linux. OpenSUSE delivers everything that Linux developers and enthusiasts need to get started with Linux. Hosted at opensuse.org, the project features easy access to builds and releases. It also offers extensive community development programs for open access to the development process used to create SUSE Linux.

(Этот дистрибутив существует и как "Live CD" и вы можете его использовать без установки)



Кроме того, эти дистрибутивы могут вам подойти:
Freespire
Freespire is a community-driven, Linux-based operating system that combines the best that free, open source software has to offer (community driven, freely distributed, open source code, etc.), but also provides users the choice of including proprietary codecs, drivers and applications as they see fit.

Посетите сайт Freespire : http://www.freespire.org/ Дистрибутив не соответствует вашим требованиям:
Ваш компьютер слишком медленный

Kubuntu
Kubuntu is a user friendly operating system based on KDE, the K Desktop Environment. With a predictable 6 month release cycle and part of the Ubuntu project, Kubuntu is the GNU/Linux distribution for everyone.

Посетите сайт Kubuntu : http://www.kubuntu.org/ Дистрибутив не соответствует вашим требованиям:
Ваш компьютер слишком медленный

Mandriva
Mandriva Linux (formerly known as Mandrake Linux) was created in 1998 with the goal of making Linux easier to use for everyone. Mandriva offers all the power and stability of Linux to both individuals and professional users in an easy-to-use and pleasant environment.

Посетите сайт Mandriva : http://www.mandrivalinux.org/ Дистрибутив не соответствует вашим требованиям:
Ваш компьютер слишком медленный

Ubuntu
Ubuntu is a free, open source operating system that starts with the breadth of Debian and adds regular releases (every six months), a clear focus on the user and usability (it should "Just Work", TM) and a commitment to security updates with 18 months of support for every release. Ubuntu ships with the latest Gnome release as well as a selection of server and desktop software that makes for a comfortable desktop experience off a single installation CD.

Посетите сайт Ubuntu : http://www.ubuntulinux.org/ Дистрибутив не соответствует вашим требованиям:
Рабочий стол, который вы выбрали, здесь не используется
Ваш компьютер слишком медленный

Debian
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian GNU/Linux provides more than a pure OS: it comes with over 15490 packages, precompiled software bundled up in a nice format for easy installation on your machine.

Посетите сайт Debian : http://www.debian.org/ Дистрибутив не соответствует вашим требованиям:
Не содержит графический инсталятор
Ваш компьютер слишком медленный

MEPIS
MEPIS Linux is a desktop Linux system that is also easy to configure as a dedicated server. It is designed for both personal and business purposes. It includes cutting-edge features such as a live/installation/recovery CD, automatic hardware configuration, NTFS partition resizing, ACPI power management, WiFi support, anti-aliased TrueType fonts, a personal firewall, KDE, and much more.

Посетите сайт MEPIS : http://www.mepis.org/ Дистрибутив не соответствует вашим требованиям:
Ваш компьютер слишком медленный