I think I would go with a tree stand mainly becuase you are up off the ground and can see much more.

Get a tree stand. When your up in a tree your not at eye level with these deer, i myself make my own portable tree stands. I hate the tree stands they make these days! Mine are very very sturdy in the tree, they won't move an oz! I make mine out of metal.

Treestand - API makes one that has a telescoping ladder built in making it mobile. Lone Wolf seems to get good reviews but I haven't bought one yet, kind of pricey.

Treestand, u can use it for gun season too. I love my Summit Viper XLS. Have had it for quite a few yrs. In fact, summit now has the 180 version. You can sit facing the tree or flip the seat to sit facing away from the tree. The're quiet & easy to set up.

both

I would go with a treestand for sure. If you want to hunt from the ground use natural cover its free.

Tree stand you can make a ground blind

ditto! You can make your own natural ground blinds. Actually you can make them look better than the ones they sell.If you have to choose one, get yourself a summit viper. You'll be very pleased.