rear speakers

So I have a unique situation for the time being. The house I purchased a few years back came with rear speakers pre-installed and I haven't used them yet. For the past two years, we've been using only audio from our TV (which hasn't been the greatest). I recently picked up a used receiver...

My girlfriend wants a new PC. She doesn't want much, besides what most basic consumers want: quick boot times and seemingly smooth operating speeds. She also wants it to be able to run a variety of games at medium settings, nothing much, but like League of Legends and some Steam stuff. She has...