That is a fantastic intermediate kit. The guys on the Mapex forum love them. A great sounding Maple kit. They have one at a store near me and that finish is gorgeous.
The guys at Greenbrier are great to deal with. Ask for Bradley, and tell him Glen the guy from Canada said you would give him a great deal. Never pay face value for anything it you don't have too.
Yes you can grow with this kit. Is a step up from the Birch in quality with the amount of lugs on the snare, and floor toms I think. Different sounds between the two. I would go for the maple just for the lug thing alone. For that price you can't beat them. Good luck.