Go for Asus X53TA.
Has AMD quad core, ATI HD 6650 GPU with 1GB ddr3, hdmi, usb 3.0, 15.6" screen, 6 cell, DOS, 500GB etc @ just 27k. In games, it beats my friends Sony lappy with i5 SB and HD 6630 which cost him 54k. You cant ask more for 27k, than whats on X53TA.