With that sort of money you could buy two tents (probably a good idea).. I like hilleberg (and the scarps look ok

) but just dont like the sacrifice made with light/solo tents that have the walls smaller in the end (ie falling away above your face/feet) must be cramped for the taller players. Also, the lengths taken to achieve snow loading strength are not really necessary, you are going to want something waking you up. From what ive found in snow camping (even with a top vent) you need to clear a lower vent at some stage (and clearing the roof is not difficult).
I like the tipi concept, especially those that rely on walking pole/s, though many suffer the same fall away.
I guess that the old cabin style A frame was a long time in coming and simple but it did have full height over the noggin.
I wont mention other brands, they all seem to have lightweight options these days. Depends on priorities, weight?, room?, easy pitch?, freestanding?
Personally, I dont think the shelter is a good place to make compromises for weight alone. You mention not intending to do much winter/alpine walking so many of the three season tents would likely be sufficient but i'd decide on all other features before considering weight.
My advice would be to keep surfin and read reviews as there are some interesting products out there and some smaller designers never mentioned.
Its funny reading reviews, people can be quite fickle, dismissing certain models, swarming to others. Convinced that they have spent wisely.
Many times it seems more a matter of not realising how to work with a particular aspect of the design or just not pitching properly etc... At the end of the day, a tarp would do if you understand and work with the limitations... Theres nothing to baffle, no potential for big $ in a tarp, have it stretch at complex angles, supported for convenence or that one day a year that most people may actually Need a bombshelter...