Between an excel spreadsheet and the search function on here, I feel like I've done my due diligence.
My biggest factors are price, space, and ventilation. I'm in North Carolina and need a tent that will deal with the summer humidity better than most. I'll also use it in the winter. Of course, weight is an issue too, but I've narrowed it down to two tents that should work for me in that regard. Now I just need someone to help push me over the edge with one of them. I'm 6'3'', sleeping on a large XLite.
REI Dash 2, REI Quarter Dome 2, or TarpTent StratoSpire 2
Dash 2 w/ Footprint
PROS: Fairly light, price (on sale soon or at least 20% off), ventilated, easy to set up, large enough vestibules
CONS: not as light as SS2, might be a little tight w/ 2 people, requires footprint IMO since the floor is so thin, no fast pitch option, difficult to set up in the rain, least storm-proof
Quarter Dome 2
PROS: price, ventilation, easy to set up, large enough vestibules, more storm-proof than Dash 2, easier to set up in rain than Dash 2
CONS: not as light as SS2, might be a little tight w/ 2 people, heaviest
PROS: Spacious, light, removable inner, ventilated, sets up in the rain, most storm-proof
CONS: Price, time to set up, needs a larger space to set up