How to install Gnome 3 on Ubuntu 11.04 and still have a stable system?

[Tom H]

On Sun, May 15, 2011 at 9:45 AM, Amedee Van Gasse
<amedee-ubuntu at amedee.be> wrote:
>
> Suppose I wanted to install Gnome 3 on Ubuntu 11.04, how would I do that? I
> have done my homework and used Google, but everything I found involves
> adding ppa:gnome3-team/gnome3 to the repository, and included a warning that
> it will break Unity and that there was no downgrade path. But most of these
> things were at least 2 months old, so before 11.04 was released.
> Anyone here who has successfully installed Gnome 3 on 11.04 and still has
> Unity?

It's not possible because Unity runs on top of GNOME 2 so when you
install GNOME 3, Unity's killed. 11.10 *should* fix this.