I've said this before, in conversation, but don't know that I've ever blogged it. Since it came up in an interview and the candidate acted like she'd never heard such advice before, I figure it's good fodder. It is this:
The fact that I know CSS does not make me a UI designer, any more than knowing the English language makes me a novelist.
Something to keep in mind when you're looking for people that can code SOAP and HTML equally well.