This is a good book and the only one in regards to PPS 2010:

http://denglishbi.wordpress.com/2011/01/10/book-review-microsoft-sharepoint-2010-performancepoint-services-unleashed/

There is a Virtual Lab you can check out:

http://denglishbi.wordpress.com/2010/11/18/sharepoint-2010-business-intelligence-virtual-lab/

And there are some free online videos you can check out as well:

http://denglishbi.wordpress.com/2010/04/17/free-online-performancepoint-services-2010-training-videos/

I would definitely recommend checking out the PPS Teams blog as already mentioned.