i686 optimization

[Nils Brünggel]

> Ultimately, no. For one, too many users still use actual 586 class hardware,
> such as the crappy Pentium I machines setup for dumb terminals and
> firewall/lan apache duty.

> There are also the K6, K6-2, and K6-3 processors which will not run 686
> binaries. These machines make great desktops, and are quite prolific.

I don't see the point here. The new gnome and kde uses that many
resources that you are unable to run it on old hardware (or it will be
very slow)