The T430 doesn't have quite as good CPU (i7 3520M) as the i7 3630M. And it's graphics card isn't that strong. And you'd have to specify the amount of memory you want ( up to 16GB - good). And you can opt for an SSD and 7200rpm HDD. All good.
Your best laptop for the buck depends on your budget.
For example, in Australia (at PC Case Gear), you could get an
1) MSI GE60 OND-288AU (15.6") for AU$1389 with i7 3630QM CPU, 8GB RAM, 750GB 7200rpm HDD and GTX660M Graphics Card (http
/www.pccasegear.com/index.php?main_page=product_info&cPath=1013&products_id=21811) or
2) MSI GT 70 OND-622AU (17.3") for AU$1899 with i73630QM, 16GB RAM, 750GB 7200rpm HDD, GTX675M (http
/www.pccasegear.com/index.php?main_page=product_info&cPath=1013&products_id=21816)