Keep an eye on the MacRumor’s guide if you were planning to buy an Apple product. For example they don’t recommend buying a MacBook Pro at the moment (an Intel Core i5 based MacBook Pro should be released soon).
Saudi Arabia based Mac stores usually have the new releases within 6 weeks of the release. Be careful from stores such as Jarir Bookstore who sell old MacBook Pros as new.
As for the iPhone, it’s up to Mobily to bring it to the Saudi Arabia market as soon as possible.