If you have a bog standard TV, perhaps a non HD LCD TV, then there may not be any point in purchasing a next gen console. One of the main benefits that comes from a next gen console is the graphics, the resolution and the overall power, and this will not be shown to its full if the TV doesn’t posses HD capabilities.
Today HD Televisions can come at relatively affordable prices, and you should consider upgrading your TV before upgrading your console. It’s can be amazing to see juts how different a game can look on a HD TV compared to a non-HD screen, so make sure you get the most out of your new console and you games by upgrading.
You may then also improve your chances of beating people online, because you’ll have a clearer picture, and perhaps a larger screen.