Can anyone recommend a designer who can do custom cpanel skinning? I'd love to get rid of CPanel's x theme.

Check out Igy over at www.cpskins.com, maybe?

<edit> See this link for more information about their custom skin services: http://www.cpskins.com/services.htm

You can also check out rvskin - www.rvskin.com.
Universina (http://www.netenberg.com/universina.php) also provides alternative CP skins

RVSKIN is the most popular and cheaper and supports a lot of languages.

RVSKIN is the most popular and cheaper and supports a lot of languages.
And is the most confusing.

And is the most confusing.
I wouldn't call rv confusing at all. I typically have the setup configured in less than 15 minutes.

CPskins is about 150 for a custom skin for cpanle/whm