With a 5 year old machine, it sounds like you need to buy or build a new computer or buy a console. First off, I'm a main PC user. With that said, in your situation buying a console might be the best option- $400-$500 vs $1,000. Later, obviously, build a new rig 2 or 3 years from now.
My current computer right now is almost on par with the new consoles so I might skip a new console all together this generation because I don't see any games worth buying a console for and building a new computer in a year or two but my situation is different than yours. --- Steam - http://steamcommunity.com/id/SuperKing61 I love you.