If you are outside of US,you should order US version either. It will be included charger, the international version comes with cable only.
Buy a nook they are way more efficient!
The best place to buy a new E-book reader would be Amazon.com. Amazon is known for producing the cheapest and nicest E-readers, such as the Kindle and the Kindle Fire.
Kindle
You can buy e-books in the kindle store from the kindle, and they will download directly onto your e-reader. Then you select the book from your main menu, and start reading!
iBooks, nook, kindle reader: any of these are great apps
The best e reader is the Kindle. I don't own one personally but I have friends that own both the Kindle and the Nook. The Kindles owners are very happy with their purchase.
If you are a voracious reader then buying an e-reader is always a good buy. Compared to the Kindle, the Nook boasts a color screen and web-surfing capabilities.
Kindle by a million miles
Amazon's website is the best place to buy the Kindle DX e-book reader. You can order it directly from their online store and have it shipped to Singapore. Keep in mind any additional shipping costs or import fees that may apply.
Currently the top two selling ereaders are Amazon's Kindle and Barnes and Noble's Nook. I personally think that the Kindle is the better buy as the Kindle is a great quality.
A kindle paper white as it glows in the dark and you can make the writing bigger.
To download an e-book on your Kindle, first connect your Kindle to Wi-Fi. Then, go to the Kindle store using your Kindle device, search for the e-book you want, and click the "Buy" or "Download" button. The e-book will then be downloaded to your Kindle for you to read.