i'm having a love-hate-love affair with my 2009 hemlock.
i love the handling, but i did break the chainstay. the 2008 chainstays are fine but a bit flexy, the 2010 chainstays are much bigger.
(it's the 2009 chainstays that have been a little snappy)
The hemlock frame weighs a shade under 7lbs, so i'm confident that it's no less or more strong than any other frame of a similar weight.
i went for quick thrash around some cheeky techy trails yesterday in the snow. Even with 130mm forks and the short rocker it feels like a mini Dh bike when you need it to, but the light weight and clever geometry means it climbs jolly well too.
i like proper 4-bar designs, and all things considered, i'm happy with my hemlock, it's a good bike.
oh, and Cotic were very quick and easy to deal with, the after sales service is very good.