So, I did it (my first winamp skin), but the result doesn't match with the original concept [link]
It's not a perfect, but I like it. If someone want to upgrade it - you're welcome
PS: I don't know who is the author of MP3 icon I used in this skin. Sorry for that...
PPS: Sorry for my bad english
Upd_11/09/10: v.1.1 - resizable playlist realised
Upd_15/10/11: v.1.2 - playlist has a smaller size (140x250)