This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Have you tried SproutCore and MooTools (in general, not together)?
What do you think about them?
I decided to combine both frameworks in one post in order not to create another debatable thread.