Where are the 17" Core 2 Duo Macbook Pro?

While the 17 incher has been announced at the same time as its 15" little brother about 3 weeks ago, shipping hasn't started when people have been receiving their 15" MBP a couple days after the announcement.
So whatever happended to the 17" MBP?
According to Ars Technica, Apple faces supply problems with some components specific to the 17" model. The question is which part is causing the problem...
Let's hope Apple can solve their supply issue, the wait is long for a product supposed to be available 3 weeks ago...