I own two tents right now, both are backpacker-type of tents. I bought a Coleman Tioga a few years back and it has had a lot of use so far. Even got caught in a few rain storms with it and never had a drop of water get inside. It has a ton of ventilation and has held up pretty well over the years. I must admit though, I wanted to get a new set of poles for it and have been having some trouble. The part numbers listed on the manual don't come up on their website, and I tried to call them once and was on hold for like 20 minutes before I hung up and emailed them. That was a few days ago, haven't gotten an email back yet. The other one I have is some no name brand I got for free from a friend that was cleaning out their house. It's almost brand new (might be, not sure if they used it) and its super light and compact. A good tent for a quick overnighter.
I prefer backpacker tents since the most that will ever go is my girlfriend, my dog and myself. And the two-pole systems are great and fast.