I really like the Custom X. It's a great overall snowboard. Great for park/resorts, good for powder snow, jumps, and even pipes. The price is up there, but the quality pays off. I would go for that one, and the 07 one is probably 30% off now, so that...
Actually, roxy snowboards used to be pretty crappy but they have improved a lot. They are made by Mervin which also manufactures Lib Tech and GNU so it's not like they are poor quality. If you're a beginner, sure burton makes some good boards, but if...
It all depends on how much money you have to spend, but a Burton Snowboard would be ideal, they have the best snowboards. I just bought a 2006 Burton Custom X 158. It's really nice. Check the 2006 lineup of boards at: www.burton.com