[dublinben]

If you're looking for something similar that's always kept up to date, check out the PcPer hardware leader board. They have a low/mid/high/dream system suggestion.

http://www.pcper.com/hwlb

[Thrymr]

They don't update as often, but I've always liked the Ars Technica system guides, e.g.: http://arstechnica.com/gadgets/2014/04/ars-technica-system-g...