Has anyone else overclocked an Emac with ATI Graphics

I ran accross this the link below when researching if my Emac 800 w/ ATI graphics can be overclocked:
http://www.lbodnar.dsl.pipex.com/eMac/eMac-upgrade.html
This person made it sound pretty easy and the thought was that this processor was actually underclocked by Apple in it's 800 MHZ version at the time, and could be run without overheating up to 1.33GHZ or higher. I however, could not make a lot of sense of how the soldered jumpers are laid out in the pictures and am not very experienced at soldering, so I am not racing off to pull the motherboard out of my Emac to do this mod. It seems like a great concept that a major speed increase could be had with just a couple of hours with a stready hand, a decent soldering gun, and some know-how of what you are doing.
Has anyone else tried this in the 5 years since this article was posted, as it seems like it would be a great upgrade?
Steve

Actually mine predates the eMAc s with the capacitors issues (the USB 2.0 models).
I just though it was interesting that there were all these people teying that upgrade 5 years ago but no one has posted anything online about it since.
Makes you wonder if most of those overclocked systems self destructed after 6 months.
The only way I'd probably try it is if I located a cheap 800 MHZ system board somewhere and felt more confident about soldering in the first place (therefore I'd only be out my investment in the extra board if it didn't work).
I was wondering if anyone else had done this mod in the past several years.

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