Long Weekend is beautiful, ugly and horrific in equal measure.
The Blu-Ray from Synapse is the best I've seen this film. Even the new 5.1 mix works really well and enhances the subtle sound design rather than smashing you in the face with surround-sound gimmickry. The original stereo soundtrack is also available on the disc.
"What've you been doing to the tree?"
"Chopping it down"