Originally Posted by jmden
Also, take a good look at the Tarptent Double Rainbow: Tarptent Ultralight Shelters
At 2lbs. 9 oz. it's hard to beat. The floor is not quite as durable and watertight as I'd like (get a floor saver), but many are very, very pleased with the design. I own the regular 'single' Rainbow and think that for a very comfortable, 3-season, 1 man tent at 2 lbs. 3 oz. it's very, very hard to beat for $245. Henry buys the same materials from the same supplier that I do and I know that the silicone coated fabrics he uses are very strong.
I have looked very hard at the Tarptents and the STratospire2 is on the short list for next year gear upgrades!
To the OP, you may want to check out the GoLite tents and shelters. They have the option to go floorless if you ever want to, are very lightweight for the amount of space they provide plus they are very reasonable... There is a very well regarded couple on another website that spend 100+ nights a year in their GoLite tipi in Alaska and they love it. Other popular brands that guys I would consider 'hardcore backpack hunters' include Kifaru, TI Goat, and the Hilleberg Atko are all up there in quality, versatile systems! I know that I've never humped around a tent that weighed more than 3 lbs and I don't ever plan to.. 6-7 lbs for a 3 person shelter should get you something akin to a Holliday Inn in the back country!
Best of luck with whatever you decide!