One thing that's often overlooked and not all that relevant to some is size and space. There's not that many spacious tent offerings in the budget side of things, or if there are they are heavy as sin. You put together a proper tunnel tent from PU coated high denier polyester and the end result can weight somewhere north of 5-6 kg (11-13lbs).
Our first tent was a three person dome that cost around 250 € at the time. Night indestructible but really small for me and our stuff. I'm 6'5" and so almost all dome tents are way too small for me. Because even if the inner tent is say, 225cm long, you need to factor in that the front and back walls of a dome tent are inclined which eats a lot of that length. Then factor in the added height of the sleeping pad and the length shrinks further. This resulted in me brushing the tent wall with my toes/head even with the largest hiking dome tent I could find and test which always left the foot end of my sleeping bag soaked wet even on relatively dry nights.
So wanting to get away from wet feet and a constantly wet sleeping bag we bought a 700 € tunnel tent which had a 225cm inner tent length BUT one of the walls is straight! No incline means I have oodles more space. Haven't noticed wet feet for a long time now. The other positive side tunnel tents have is the large anteroom area which works well for storing gear out of the rain as well as some extra space to move around, change clothes etc. Some crazy finns / scandinavians even cook in their tents but I honestly haven't dared. I respect fire too much to risk it going badly in a plastic tent.
As an added bonus the tent is made of low denier silicon coated polyester meaning that while it's a bit heavier than an equivalent nylon tent, it does not degrade with UV-rays. It still weighs less than our original cheap dome.