Now here's a great resource and explanation regarding whether or not you should upgrade your laptop.
Tom's Hardware always does a great job of bringing together tech savvy professionals to explain the complex in a relateable way.
Perhaps you should upgrade your laptop, but should you upgrade to a dual, or quad core? When is too much power simply too much? What type of applications will you be running on your new laptop?
These are key questions you need to ask when upgrading or trading in your old laptop for a new one.