If you think that both, Timelineultra M5 and Aspire S3 pack smaller displays, the Timeline Ultra M3 might be just perfect for what you are looking for. This ultrabook has same specs as the Acer S3 but packs a bigger 15 inch screen. Battery life is stunning though – 8 hours. Heck, it even packs a built in DVD writer.
Specs of Acer TimelineUltra M3:
* 15.6 inch display * 1366 x 768 pixel resolution * Intel core i5 3317u processor * 500GB SATA (5400RPM) + 32GB SSD * 4GB RAM * 2x USB 2.0 ports, 1x USB 3.0 port * SD card slot * Built in DVD writer * HDMI, LAN, headphone jack * 802.11n Wi-Fi, Bluetooth 4.0 * 3 cell battery (4850mAh) * Microsoft Windows 7 Home Premium 64 bit OS
This Acer ultrabook retails at 750 dollars in US and Rs51,000 in India.