I Would suggest to buy dell laptop
Dell is good but price is very high
You can buy
1)Dell Inspiron i1764-6075OBK 1764 17.3-Inch Laptop (Obsidian Black)
*2.26GHz Intel Core i5-430M Dual Core Processor (2.53GHz Turbo Mode, 3MB Cache)
*4GB System Memory; Media Card Reader; 10/100 Ethernet; Wireless-N Mini-Card
*500GB Hard Drive; 8X Dual Layer DVD+/-RW Optical Drive
*17.3" HD Display; Integrated Intel Graphics Media Accelerator HD; 1.3MP Webcam
*Windows 7 Home Premium Operating System (64-bit); 6-cell Battery
http://www.amazon.com/Dell-Inspiron-i1764-6075OBK-17-3-Inch-Obsidian/dp/B0030T17GO/?tag=best-laptops01-20
2)Toshiba Satellite A505-S6030 TruBrite 16.0-Inch Laptop (Black/Silver)
*2.8GHz Intel Core i7-720QM Processor
*4GB 204-Pin DDR3 SO-DIMM Memory
*500GB Serial ATA Hard Disk Drive (5400RPM); DVD SuperMulti Drive with Labelflash
*16" CCFL (16:9) 1366x768 Display; NVIDIA GeForce 310M Graphics
*Window 7 Home Premium 64-bit
http://www.amazon.com/Toshiba-Satellite-A505-S6030-TruBrite-16-0-Inch/dp/B00313JXMO/?tag=best-laptops01-20
Hey you can visit below link you can find more options here :
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=laptop+i3&x=0&y=0&ih=15_1_1_1_1_0_0_0_1_1.49_230&fsc=19&tag=best-laptops01-20