Whats a Desktop Deal:There are many factors you need to take into account in order to make something a deal. Manufacturer, Product line, Specs and warranty are usually what to look at when figuring that out. You need to consider prices as well, sometimes you get a price so hot that it doesn't matter what company it is.
Generally speaking here are the guidelines for Intel processors:
i3 8th Gen processor - Under $300 is usually a hot deal, Under $350 is decent
i5 8th Gen Processor - Under $400 is a Usually a Hot Deal
i7 8th Gen Processor - Under $600 is a Usually Hot Deal
to be continued....