I have been looking at tents for awhile, but still haven't bought one. I'm leaning towards the REI Quarter Dome T2, which is a 2 person tent. Minimum weight is just under 4 lbs, but that doesn't include a footprint. It seems very similar to the MSR Hubba Hubba. The MSR Hubba (1 person) is a min weight of just under 3 lbs, again without a footprint. Not sure what a footprint weights, but probably 8 to 12 oz.
Things I want in a tent:
I want it to be a tent with a zipper and ventilation to let air in and keep bugs out
I want a footprint and a fly
I want to be able to sit up comfortably
I want a vestibule large enough so that I'm not stepping right out into the weather
With those criteria in mind, I don't see how I can get a lighter weight tent anywhere.
I could get all this in a 1 person tent, but even though I really make an effort to conserve weight, the extra pound for all the extra interior space is a tradeoff that I am more than happy to make.