Kamalashila's "Dharma Materials"
A large collection of videos and written material including a good deal relating to Insight practice.
Links and Resources
Kevin's (ex-Satyadhana's) site
Many writings and videos by, or featuring, Kevin (ex-Satyadhana), particularly relating to his Ten Fetters approach to direct pointing
Vajraccedika's site
A collection of writings from over the years, many dealing with aspects of Insight practice