How does KDE4 Start?

I'm running OpenSuse 10.3.

I thought I'd try KDE4RC1, and I used the openSuse 10.3 one-click install of 
RC1 . It seemed to install fine, but there's no trace of the install when I 
start up. All the KDE apps appear to be the old ones from 3.5.7, and I think 
I should be seeing 3.96 stuff.

When I look in the KDE menu, I find some KDE4 applications, but not Kontact . 

Where is everything?

Bob.
-- 
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Television is an invention that permits you to be entertained in your 
living room by people you wouldn't have in your home...David Frost