When looking to buy a video game system online the key thing to look for is what is included in the package. While some people are simply looking for the system with no extras, it is always a good thing to get games, controllers, memory cards, ect. with the system. This can be done by doing an advanced seach and clicking on the items you want bundled with your system. If you are looking to buy an Xbox360 a great deal to look for is the bundle that includes 8 games. When buying this make sure your are getting a receipt with your item and that the games are sealed. Also it would be a very good idea to buy the premium system rather than the core, because the memory cards are very expensive and may only save one or two games at the most. So the main thing to do when buying a video game system is to make sure you are getting a good bundle and package with the receipt in it.