I think it will be interesting for Russian-speaking people more than for others, but anyway...
A week ago we (me and Alex Efimov) have startted writning a book about IntelliJ IDEA. It should be a Total IntelliJ IDEA Reference book for Java developers.
And it's a first book about IntelliJ IDEA in Russian.
Writing procces is blogged with LJ community: http://www.livejournal.com/community/ideabook/
We'll very happy for any interest from your side and for some comments or suggestions may be...