For that price, you'll get a camera with abilities far beyond what you're currently capable of utilizing. If you leave it in "Auto" mode, as 90% of dSLR owners do, it is likely you'll get photos that are somewhat better than what you would have in the same situation with your point & shoot. If you find you want to learn how to take better photos, this camera will serve you well for quite some time.
Worst case scenario if you find you're not happy with it, you can sell it for about the same amount of money you paid for it. If the camera is in the condition described, it is a very good deal for someone looking to upgrade to a "real" camera.
On the other hand, a bad photographer will take a bad photo 99 times out of 100 regardless how nice their camera is.
You said you didn't want to join a forum to learn about this camera model, so
here you go. There are several pages to this review (the "next" link is really small near the bottom of the page), and it will discuss a lot of things you probably aren't yet familiar with.
If you have general photography questions, or Canon related questions I can help. There is a member here who has the username "Slash" who can probably give better Nikon related answers than I can.
Have fun!
