The Burrowers was an Official Selection of the 2008 Toronto Film Festival and it is finally arriving on DVD April 21st from Lionsgate. Special features include:

The Burrowers: Making a Horror Western featurette
Digging up The Burrowers: Creating the Monster featurettes
Audio commentary with writer/director JT Petty and actor Karl Geary

Synopsis:

A band of courageous men sets out to find and recover a family of settlers that has mysteriously vanished from their home. Expecting the offenders to be a band of fierce natives, the group prepares for a routine battle. But they soon discover that the real enemy stalks them from below.