Sir, From my experience, toshiba and ibm are very very stable but if you're going to use it primarily for games. I don't think a laptop will suit your need, imho.
Check out the Asus G1 specs. Dont know if its locally available, though.
G1 -- The Ultimate Gaming Notebook
15.4” WSXGA+ 1680*1050 256K Color Max
▪ Intel Core 2 Duo T7200 Processor with 4MB On-Die L2 Cache
▪ NVIDIA GeForce Go 7700 512MB
▪ Extreme Gaming Chassis and Keyboard
▪ SATA 160G 5400 RPM
▪ 1.3 MegaPixel Video Camera with LED