What size and brand snowboard should I get?

There's a lot more we would have to know about you to recommend anything. Your weight would be the biggest factor in deciding board size, but based on your boot size you need a wide. If you want a good quality board, most quality brands like Burton, K2, Ride, and Rome will make an good entry level board for around $329ish if it's a current year model. You can probably find last years models if you look right now though. Take a look at this buying guide. This will explain all the factors you should take into consideration http://www.snowboards.net/docs/buying-guide-snowboards-2/. It also explains what to expect at different price ranges of boards. Hope it helps!

There are a few other factors to take into consideration when sizing a snowboard for someone. The best resource I know of to help you is the FR Snowboard Sizing Calculator. It computes height, weight, ability and more and even suggests brands and models of boards for you. http://www.frostyrider.com/tips/size-guide.htm