If he wants to stay in budget I would just keep it the same as that tbh, well except for the hard drive, I just picked that one in random seeing as I couldn't navigate the site properly.
Although yeah I would go with a HD 4890 and the P6T Deluxe if he has the extra money.
Although yeah I would go with a HD 4890 and the P6T Deluxe if he has the extra money.