Read the reviews, pick out which components fit your preferences or budget.
Also, there is no point in getting 16 GB of ram, especially for a laptop.
ASUS G73Jh | Intel Core i7-740QM | ATI Mobility Radeon 5870 1GB GDDR5 | 6GB Hynix DDR3-1333 | Seagate Momentus 640GB 5400 RPM HDD | HD+ 1600x900 Display | Windows 7 Home Premium x64 SP1 | vBIOS 93 | AMD Catalyst 12.3