Need laptop buying advise?

You should go with Lenovo, It will be cheap and much better compare then others.
Actually I using Lenovo ideapad z series, from last 3 years, You can see specification of that laptop…

SPECIFICATIONS
- Up to 2nd generation Intel® Core™ i5 processor with Intel® Turbo Boost Technology 2.0
- Up to Genuine Windows® 7 Home Premium
- Lenovo Enhanced Experience 2.0 for Windows® 7 with RapidBoot technology - delivers faster start-up & shutdown and optimized multimedia capabilities
- 15.6" Backlit LED HD display (1366x768), 16:9 widescreen
- Up to NVIDIA® GeForce® GT540M 2GB graphics with DirectX® 11
- Up to 8GB DDR3 memory, up to 750GB HDD storage
- Integrated Bluetooth®1, WiMax2 & high-speed 802.11n Wi-Fi
- Integrated DVD reader/writer & Blu-ray Disc™1 drive
- USB2.0, eSATA connectors & 5in1 card-reader
- Integrated 0.3/2M (720p HD1) webcam

Go for "Lenovo Ideapad Z510 (59-387057) Laptop".

Specs:-

Processor -> Core i5 (4th Gen)
RAM -> 4 GB DDR3
Graphics Card -> NVIDIA N14P-GV2 1 GB DDR3
HDD -> 1TB
OS -> Windows 8 64 Bit

It is the best laptop you can get at this price. It will be good for gaming as well as for day to day work. It also comes with a 1 year warranty so you can go for it without a doubt.

Price:- Rs. 48999 @ Flipkart -> http://www.flipkart.com/...svmtruegma

You should go with Lenovo, It will be cheap and much better compare then others.
Actually I using Lenovo ideapad z series, from last 3 years, You can see specification of that laptop…

SPECIFICATIONS
- Up to 2nd generation Intel® Core™ i5 processor with Intel® Turbo Boost Technology 2.0
- Up to Genuine Windows® 7 Home Premium
- Lenovo Enhanced Experience 2.0 for Windows® 7 with RapidBoot technology - delivers faster start-up & shutdown and optimized multimedia capabilities
- 15.6" Backlit LED HD display (1366x768), 16:9 widescreen
- Up to NVIDIA® GeForce® GT540M 2GB graphics with DirectX® 11
- Up to 8GB DDR3 memory, up to 750GB HDD storage
- Integrated Bluetooth®1, WiMax2 & high-speed 802.11n Wi-Fi
- Integrated DVD reader/writer & Blu-ray Disc™1 drive
- USB2.0, eSATA connectors & 5in1 card-reader
- Integrated 0.3/2M (720p HD1) webcam

Buy Mac-book pro w/ retina display. The "pro" one is faster but its kinda heavy. The Mac-book Air is a little bit slower and not that much different in weight. (Sorry for some grammar mistakes. )