In reply to Lee Sutcliffe:
I also have too many tents. I have all three that you mention (TN - Superlight Voyager
TN - Ultra Quasar, Hilleberg - Nallo)
The Nallo is pretty bombproof but does suffer from condensation, mainly as the fly comes right down to the ground (being what they call an 'all season' tent). This condensation happens on my ordinary Nallo2 and my Nallo2 with the extended porch. This would probably be a pain with a dog and is maybe too strong a tent for 3 season use. It's also noisy in the wind - and very expensive
I agree with others who say the Quasar is also bombproof. As with the Hillibergs I have both the ordinary and the extended tent canopy versions. My wife and I always use the ETC one when wild camping in Scotland during out winter climbing trips, but only when I don't have to carry it too far as it is quite heavy.
The Voyager is really a one and a half man tent. Comfortable for one but a bit of a squeeze for two. However, it is quite light, packs small and would take a man and his dog nicely. I have had one of the poles snap during a gale in Glencoe a few years ago but it is really a 3 season tent and also I had the wrong pole crossing on top at the front so that was probably my fault.
I'd definitely go for the Voyager for what you need.
Post edited at 18:53