WEE! its so kawaii! (i like the simpleness of it, actually, it makes it cuter! lol) Im not really that good at drawing cats meself.. and who ever said practise makes perfect? there no such thing as 'perfect' it goes more like 'Practise makes Better' ah, see? doesnt that sound more realistic? heh.
It's actually not that bad. Mostly you need to slow down and observe the details of how things fit together. www.corbis.com has lots of good photos that let you study cats. Practice makes perfect. :)