i disagree with most the people in here saying to get a new lens. i got a glidecam first and that was a way better option. the kit lens isnt good by any means but it also isn't bad. if you can learn how to get a good image with the kit lens and master a glidecam, then your shots will be that much better when you do upgrade glass.
plus a new lens isn't going to fix exposure and focus and white balance and all that stuff, it will just make the image a little sharper. get the glidecam, thats what i did and it was the best purchase ever