i'd say the model choice is totally up to you. for my personal preference i wouldn't get a BC Rich, i'm just not that keen on pointy guitars. but i've known more than a few metal heads who swear by them for every kind of metal they play.
musician's friend has tons of options for them too, with obvious levels of quality. although you might have to spend a little more than you're hoping for to get a good one once shipping and taxes are factored in.
Musician's Friend - Search Results
there's also a surprisingly affordable dean ML reissue (the real thing was good enough for dimebag darrel when he was starting out)
Buy Dean '79 Series ML with Floyd online at Musician's Friend
one thing you really need to keep in mind is that the guitar is really only a tool. your two hands are by FAR the most significant factors of your sound. there's usually no real way to offer a specific 100% correct answer to much of anything when it comes to playing an instrument.