Keepsa,
There is a lot of difference (from a construction standpoint) between a slant front and a roll top desk. A great many plans for either are available online with a bit of searching. We will be happy to assist if we can. What is your experience level? What tools do you have? Give us a bit more info and we can better answer your questions.
As for buying power strips in bulk, try
Thomas Registry or possibly some electronics surplus companies.
Happy New Year,
Ralph
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www.consultingwoodworker.com