If you're used to the best, consider the Proton Perdana executive. Furthermore, if you really look around, you'll notice that not only are local products cheaper but they're equally as good as their imported counterparts. After all, a lot of international electrical brands are made in Malaysia anyway. Take advantage of real bargains like warehouse sales. However, remember, not all sales are real sales.
Some stores hike up their prices just before, some offer previous years' stocks etc, etc.
Even if it's a genuine sale, don't go beserk. And no cheating. Leave your credit card behind. If you don't have the disciplne, don't carry extra cash. However, it's much more economical to buy items that you use everyday in bulk, whenever you can.