Thanks Harry,
In fact, I pretty much follow the same procedure. That tell-tale change in the sound of the fuel pump (which I'm guessing means the CIS system is fully pressurized) seems to be the key. I just sort of figured it out by trial and error.
As for the original question (is it OK to have a cold engine immediately go to a 2000 rpm idle), the gist of the thread seems to be that that is normal and OK.
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