I would do a little shopping around. There are some PC-buying related subreddits on reddit where you can tell them what you want in a machine and your price range and they could help you out.
01/12 - Zero Boys?
01/16 - Origin w/ Trog
01/24 - Into It. Over It.
02/09 - Amon Amarth w/ Enslaved, Skeletonwitch