+1 on 3 person / 3 season tent. You want room to get your gear inside with you and the wife. You also want decent stowage around the tent. Mine has mesh bags around the insides and the carry bag hangs from the ceiling for more storage. Mine's a Marmot Citadel. This is a 3 person/4 season. Remember, the real difference between a 3 season and 4 season is the 4 season can handle higher wind/snow loads. If you don't plan on camping in blizzards, go with the 3 season. They are just as warm closed up with fly and have better ventilation on warm nights.
For hiking, look for light weight. This typically means aluminum poles. The best approach is split the tent between you and your wife. If you don't have daypacks or packs yet, get something you can carry the poles in. Some have special slots, but you typically just need to ensure your pack is tall enough for the poles you have. The poles can then stuff in a bag (most tents come with one for the poles). Mine's a bit heavy for packing in (8 pounds IIRC) But Marmot makes some other great tents.
And yes, tent and footprint. You can either buy a tent specific footprint or get a generic footprint slightly larger and cut to fit. One thing to remember, get a tent light. I use my headlamp as a tent light. I hang it from the center of the tent. I keep a small flashlight in one of the mesh pouches for those late night trips to the woods.
Finally, campmor, REI outlet, Sierra Trading Post all usually have good prices on closeout models.
Other items to think about: Stove (MSR), utensils/pots (non-stick, stackable camp set), water purification (I have the MSR ceramic pump). Yes I like MSR equipment.