CHUD tools for current-gen 13" and Lion

Hello,
I have a current-gen 13" and I'm looking to disable hyperthreading and possibly one core and underclock using CHUD tools and hwprefs:
sudo hwprefs -v cpu_count=1
sudo hwprefs -v cpu_ht=0
When I tried installing the CHUD tools the installer went all the way through and then told me it failed, however hwprefs is available in Terminal. Running those commands shows me this:
* 2 processors available *
* processor hyperthreading enabled *
I'm glad it's smart and knows that stuff but that's not what I wanted. Does anyone have experience with this?

I just sucessfully installed the CHUD tools on 10.7.2, and am now using CPUPalette.app, located in /Library/Application Support/HWPrefs. What version of Lion did you try to install CHUD on?
Alternatively, you can go into the Preferences for Instruments.app, which is installed with Lion's XCode from the App Store, and turn off processor cores.

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