Very nicely done!
I'd personally make the reflection/glare a bit softer on the big "K", but then again, I'm not an artist.
Sorry, have to disagree. He mimic's exactly how AAPL has done it on their packaging. perfection!
For reference, http://news.softpedia.com/images/news2/Mac-OS-X-10-5-8-Build-9L25-Seeded-to-Devs-2.jpg