Okay, so I've done import mods on a few systems before (PS1/2/DC/SATURN) but I've never tried doing any kind of video mods like this. But being that RF is teh sucks, and I have a top loading NES (Its actually my sister's, but I use it

, I think I am going to take the plunge and try to get some composite output going on it.
I do have a few questions for anyone who can answer, however...
The above schematic details an amp needed to boost the level of the video signal.
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Where the heck am I supposed to get an amp to boost the signal? Radio Shack? If so is there a part number or something specific I ask for? Or was it already listed in the parts needed at the top of the page and I am just foolish? ;p
Also, lastly, as far as the stereo plug goes, I assume I also get that at Radio Shack. How does one go about wiring up the video/audio to it, or will it be self-explanatory once I get the parts and look at them?
I know it sounds silly but I want to be aware of what xactly I'm gonna have to do than just jump into it and guess. I don't wanna kill my (sister's) NES!
Thanks in advance... :ph34r: