> 1. The ability to use two panels on the bottom of the screen, one on
> top of the other.
>

Filed it. Please add a screenshot of your KDE 3 setup to bolster the bug a bit:
https://bugs.kde.org/show_bug.cgi?id=190472

> 2. The "Run Command" plasma applet should be fixed up a little to
> start working better as a panel applet.
>

Please be a lot more specific. Assume that I have no idea what you are
talking about :) You can send me a screenshot if it helps.

> 3. A feature to make the panels gray instead of black.
>

You can change the theme to a different colour. In fact, the panels
have not been black since KDE 4.0.

-- 
Dotan Cohen

http://what-is-what.com
http://gibberish.co.il