So far the PA3X has been the KB of choice for the middle eastern buyers.
Now it is getting some serious competition:








http://www.yamahamusicsoft.com/en/product/1204123?currency=USD

Well, it's good, but the PA3X is another type of "BEAST" with the ability to import from all the PA series allows you to have a very large library of sounds and styles, although, you need alot of work to get it to your liking. The TYROS 4 again, will tailor towards the Yamaha Fan.