For Car Camping with my family - I use one of the REI Kingdom tents.  Plenty of space for the family for cots and/or air mattresses.  For backpacking, I currently use the Big Agnes Tiger Wall UL2.  Great tent, except I'm 6ft2in tall and I can pretty much touch both ends of the tent.  I would classify that tent as a 1+P tent and not a 2P tent.  I'm looking for something a bit bigger for taller folks - namely from LightHeart Gear.