Running Froyo on HTC HD2

Hey guys.

I got a new HTC HD2 and I was trying to get FROYO (the new version of Android) to run on it. I came across this site with a how to on it:

Running Android 2.2 Froyo on HTC HD2 | U Be the Critic

Is there a better way or is this legit?

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I heard that the froyo android version is pretty glitchy if putting on this phone? is it?