I've got one meself.
OT ok. Suse & I on Sth Coast Track OK too (should be a pic or 2 of the tent at
http://ahack.org (Photos/Bushwalking))
Wouldn't take it into the Arthurs unless good weather is guaranteed (if you can get such a guarantee from anyone
), or if I was happy to deal with the possibility of having to wrap myself up in the tent fabric while sitting out a 48 hour blizzardy gale. I reckon there's a reasonable risk that the single long pole across the long side could break.
Take a proven design into the Arthurs, something like a single pole tent with a much lower profile, or multi-pole tunnel or some sort of dome.
Just my 2c.
a.